OT-2026-000053071
Publication integrity record
Foam pad vacuum gripper, three zone face, three stage ejector, 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-2026-000053071) never changes.
Identity and time
| Publication number | OT-2026-000053071 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a431-799e-ab6f-b40c3b44ca66 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053071 |
| Status | PUBLIC |
Content hashes
| Canonical text | 45683a6a9b5dedd2f6ccc8f677c0b73d25f07eb31e72fdcdba60540fa7cd7ee0 |
|---|---|
| Markdown | 8bb2b4d9875a74d85ff4e95ed098854f298fbe397c27b5f007201a8d3b18ba35 |
| Publication page | 1683c4a36192f104ecd2640ea10d59d2fd7c28c8cd399c142aefec2c862381b3 |
| Manifest | 70f7950272ca70fdd06a7c6c51696014add83b0eaea43a940178ae066f0e570c |
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 | yW1JA2tmqAs7lmLwBEINlflgVELtzWtNMYZJf0Fw6iqLwJWaYMDuMU9JjF0Bzj5JMYnBqBFL58fTy/9+XVa/Aw== |
| 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
| 2026-10-04T12:41:58.004714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053071observed 1683c4a36192f104ecd2640ea10d59d2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T12:41:57.952532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053071/manifest.jsonobserved 70f7950272ca70fdd06a7c6c51696014...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T12:41:57.880399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053071/publication.mdobserved 8bb2b4d9875a74d85ff4e95ed098854f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T12:41:57.803281Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053071/publication.txtobserved 45683a6a9b5dedd2f6ccc8f677c0b73d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:47.262140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053071observed 1683c4a36192f104ecd2640ea10d59d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:47.243122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053071/manifest.jsonobserved 70f7950272ca70fdd06a7c6c51696014...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:47.224480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053071/publication.mdobserved 8bb2b4d9875a74d85ff4e95ed098854f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:47.206540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053071/publication.txtobserved 45683a6a9b5dedd2f6ccc8f677c0b73d...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 |
|---|