OT-2026-000054715
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000054715) never changes.
Identity and time
| Publication number | OT-2026-000054715 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1284-771a-9ce0-2072b60a181e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054715 |
| Status | PUBLIC |
Content hashes
| Canonical text | c4e1f710fd1e840114a8042d4821102039b63a866c8fb8089c7cfbee5878418d |
|---|---|
| Markdown | 791182476e62412525497a05e3b9850a4540b88e36469377faa6da5a86c2cd06 |
| Publication page | e76240773d08cb1b74bc6a38ce0d5d7ac44d3680faa66729556ff7f0a110ea82 |
| Manifest | 20efe7dcf9e781cf19d4add62e50385c1dbe147155acca65da67a6263f8bec4e |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | h+m6LQc+JCNxmMZliuUYCuRNqvn5UPAm53TL/yqXgHYOzU8GxL61UPzksB99jaZhRCqMT89NAd4a1/getYOEBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-27T04:23:11.406389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054715observed e76240773d08cb1b74bc6a38ce0d5d7a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-27T04:23:11.390545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054715/manifest.jsonobserved 20efe7dcf9e781cf19d4add62e50385c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:23:11.371733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054715/publication.mdobserved 791182476e62412525497a05e3b9850a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:23:11.341202Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054715/publication.txtobserved c4e1f710fd1e840114a8042d48211020...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:48.579784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054715observed e76240773d08cb1b74bc6a38ce0d5d7a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:48.562397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054715/manifest.jsonobserved 20efe7dcf9e781cf19d4add62e50385c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:48.542623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054715/publication.mdobserved 791182476e62412525497a05e3b9850a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:48.521464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054715/publication.txtobserved c4e1f710fd1e840114a8042d48211020...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|