OT-2026-000048923
Publication integrity record
Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000048923) never changes.
Identity and time
| Publication number | OT-2026-000048923 · never reused |
|---|---|
| Internal UUID | 01a0ae81-134b-7dd0-be75-c4a8cd0e8b2b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:34:49.967260Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048923 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef443c0b3169571e0fcd7fe085aa9f43c954d9a5ba9593e82a88806642bfd711 |
|---|---|
| Markdown | 3149b54df7034c0f24faaa7cee9eb46fcd18cb7971b0f44992ee29eb2a38de50 |
| Publication page | c2ad575ecee61ee40df48089506be1bbab385d8fc1dd8f3e7e266d8051b9ce4d |
| Manifest | 6843529f76e10d58a8c4ad5468582cd5676d016f2958f41d0f0e45ec3222499a |
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 | zR0C72I3k3UVSsPPyovMWy7o/k4XG5tzD9kknSTPhzCtteutED5vpkv5TkofOD2J6qnVZceyRdKCmLdMFTARDw== |
| 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
| 2026-09-17T11:03:06.073280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048923observed c2ad575ecee61ee40df48089506be1bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:03:06.055196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048923/manifest.jsonobserved 6843529f76e10d58a8c4ad5468582cd5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:03:06.037687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048923/publication.mdobserved 3149b54df7034c0f24faaa7cee9eb46f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:03:06.018048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048923/publication.txtobserved ef443c0b3169571e0fcd7fe085aa9f43...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. |
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