OT-2026-000029972
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained 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-2026-000029972) never changes.
Identity and time
| Publication number | OT-2026-000029972 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac48-7f83-b824-9506c24aa642 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029972 |
| Status | PUBLIC |
Content hashes
| Canonical text | 073f3a6cbf2cfb526aaece44ffb70a597d3793605a837c5fac58f3c763578c9f |
|---|---|
| Markdown | a882195a22ef9fda2220e32dfac37692d71437384a9034fa752ffed0cd282cf6 |
| Publication page | 332bdd2f2abbce3be1a896c85db7f68f4526c09c5e3bed8a6f84a78f3b2f2c6c |
| Manifest | 8091a9f4e11f3a26f07e806f36bb7956ce765b055a16775717c3f03b17b48326 |
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 | GYHq+PE3VvjNX/y0yp8r7hAuEqIDVcdlnzINHwQvTneZdZbjfJeIrCWzbZyps9OO2DKKPEpfiHOy3traT9nEDw== |
| 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
| 2026-09-17T11:38:41.501827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029972observed 332bdd2f2abbce3be1a896c85db7f68f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:41.484173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029972/manifest.jsonobserved 8091a9f4e11f3a26f07e806f36bb7956...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:41.467838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029972/publication.mdobserved a882195a22ef9fda2220e32dfac37692...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:41.449433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029972/publication.txtobserved 073f3a6cbf2cfb526aaece44ffb70a59...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
| Custody package | Pending Custody packages are produced weekly. |
|---|