OT-2026-000075278
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000075278) never changes.
Identity and time
| Publication number | OT-2026-000075278 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f200-7c4f-83fb-88ce446cd0ea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:26.476108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075278 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0b1c22be1f6d09ba4affbff5edbfc61be51142692685728e2ae98e39f7760280 |
|---|---|
| Markdown | 475835e0f291bfae7de7f1535e791d88653a5460155f87fe461616cc9d2b7df7 |
| Publication page | 3a5268b1181b73d1fb5ceb9880c2cad45d4d2c8477917964684b73fa2f485d0d |
| Manifest | dc082d273669202ce8961a4698dc9e085c6160bf5ae11ee0d5381970d89a1240 |
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 | yquP3OxDOik14jYTDfc0WmlZLDvQ/sneYvXtR1xCe9N2UfHBWNf9ralr9skvHPCqoe0UGg9Z+qJkRtnMWIG1CA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-26T16:41:46.242555Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075278observed 3a5268b1181b73d1fb5ceb9880c2cad4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T16:41:46.184053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075278/manifest.jsonobserved dc082d273669202ce8961a4698dc9e08...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T16:41:46.109867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075278/publication.mdobserved 475835e0f291bfae7de7f1535e791d88...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T16:41:45.959220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075278/publication.txtobserved 0b1c22be1f6d09ba4affbff5edbfc61b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:25.462916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075278observed 3a5268b1181b73d1fb5ceb9880c2cad4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:25.390992Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075278/manifest.jsonobserved dc082d273669202ce8961a4698dc9e08...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:25.311400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075278/publication.mdobserved 475835e0f291bfae7de7f1535e791d88...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:25.195901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075278/publication.txtobserved 0b1c22be1f6d09ba4affbff5edbfc61b...fetched by grabo-systems from 34.44.131.203, 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 |
|---|