OT-2026-000021979
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000021979) never changes.
Identity and time
| Publication number | OT-2026-000021979 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-720f-847b-0b0d5589669b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021979 |
| Status | PUBLIC |
Content hashes
| Canonical text | 24ed432f7f744de667a0c36721a6c0964186c99e16c8f97c3ab9863eb040218a |
|---|---|
| Markdown | af5ddb37817b8a7e722b49d2fcaf9beb5fa6e651fcde1e6a5083d2e2760de57d |
| Publication page | b7de5bd660616e7f6ba49145ba10ae242e292ac3ad24151dd7de11e56ca3ac1f |
| Manifest | 199063eae96d91f0a9ca86cac590a4f5a72c257a4680b2d1685eb9411cd2950b |
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 | pDKB4uNPd/XAdFwztpcpY9iVHXMWeYvcWFGrOH7o/Y7Pr1c6Hs1DiSp8XTJtXlyO3XdgmdhzSmsM+6UkRRlWDQ== |
| 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
| 2026-09-17T11:54:39.131184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021979observed b7de5bd660616e7f6ba49145ba10ae24...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:39.112167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021979/manifest.jsonobserved 199063eae96d91f0a9ca86cac590a4f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.095105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021979/publication.mdobserved af5ddb37817b8a7e722b49d2fcaf9beb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.076173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021979/publication.txtobserved 24ed432f7f744de667a0c36721a6c096...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. |
|---|