OT-2026-000055475
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000055475) never changes.
Identity and time
| Publication number | OT-2026-000055475 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a102-7ec7-ad5e-487cda8ed795 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055475 |
| Status | PUBLIC |
Content hashes
| Canonical text | 37f92e20a749d0b82e7bd66cbc5d0a0d13f91a6ec4a682125d78ede1d494399a |
|---|---|
| Markdown | cf47fb6bd0cbe261370d11159c9350d643465cb589a387f374d4ebaea0f6c761 |
| Publication page | f31dbf1de4a9eca0c84637d1131582dc7b98f3c50182c6921e350f5dee8fabdf |
| Manifest | e6027eaf2901ffb15723fbe76679fe7d0cbfbab5a9dd470510d6da2a2e9ba4b9 |
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 | Q7AbLEQHgJtovDkqEtDuvP8xD9Mj4S0FSryR+ajoEfvZafwF70XeYwAzIku1Zs4MkQ2pR1hEzZRQfDcHy/aWDw== |
| 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
| 2026-09-17T10:52:08.320431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055475observed f31dbf1de4a9eca0c84637d1131582dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:52:08.299534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055475/manifest.jsonobserved e6027eaf2901ffb15723fbe76679fe7d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:08.278266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055475/publication.mdobserved cf47fb6bd0cbe261370d11159c9350d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:08.259062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055475/publication.txtobserved 37f92e20a749d0b82e7bd66cbc5d0a0d...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. |
|---|