OT-2026-000022806
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, sustained blow-off before set-down
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-2026-000022806) never changes.
Identity and time
| Publication number | OT-2026-000022806 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46ea-7b49-bba2-5b4c49e04ec4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022806 |
| Status | PUBLIC |
Content hashes
| Canonical text | 39f38531f1604573379991f244786b2068289ead228873698c1bfcb4de4b956d |
|---|---|
| Markdown | ffa053789c02b235f00017594e3010536416476667512cdfcecc69e881233787 |
| Publication page | 1f7b71707e5f1fe6d028ef140b6817f9862da8ad0d71c59e95d8856d98d41573 |
| Manifest | 4eb96a34778cdfb89d8c23f876e335187c418ed9e662793075cac048c252f324 |
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 | QsOuQVAn0jOWDO1r8oKBNgF90TYJ+RKxtSWltIPFHltgI5WdUlT9eGUG8CDf2wGx92NKBRfQQy0iw/cZzS5rBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-12T12:41:28.822462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022806observed 1f7b71707e5f1fe6d028ef140b6817f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T12:41:28.752033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022806/manifest.jsonobserved 4eb96a34778cdfb89d8c23f876e33518...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T12:41:28.701629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022806/publication.mdobserved ffa053789c02b235f00017594e301053...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T12:41:28.637848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022806/publication.txtobserved 39f38531f1604573379991f244786b20...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:28.871293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022806observed 1f7b71707e5f1fe6d028ef140b6817f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:28.785147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022806/manifest.jsonobserved 4eb96a34778cdfb89d8c23f876e33518...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:28.721538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022806/publication.mdobserved ffa053789c02b235f00017594e301053...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:28.635443Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022806/publication.txtobserved 39f38531f1604573379991f244786b20...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 |
|---|