OT-2026-000053098
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, vented 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-2026-000053098) never changes.
Identity and time
| Publication number | OT-2026-000053098 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a431-7ccb-bf60-b3ccb0e5c1f7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053098 |
| Status | PUBLIC |
Content hashes
| Canonical text | 697785909e82cdae936e4ee1b0daad87f31eb3a6c1be911616c2368c95be3e34 |
|---|---|
| Markdown | d81b8e415499d7f9d40e13a794b596776dcae1f5803c64c3e6174d089e0de367 |
| Publication page | c74fa622d37acb6d19c15bc60b09f31fcaf6bedd0736fcfb64ead40c4b416e3e |
| Manifest | c83422d6eebcd7c11cf24be0567747f782f7f246226fd574deaf993c84cff136 |
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 | Q2pRNQCm4v2Ln0hdiN+aB+YOMJ0rKcNamnwEMsa/M6gy0Wc903bCFWWK3yLC0UMgOQ8csE4Gt4+FnI/sac68AA== |
| 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
| 2026-09-17T10:56:49.323889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053098observed c74fa622d37acb6d19c15bc60b09f31f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:49.307436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053098/manifest.jsonobserved c83422d6eebcd7c11cf24be0567747f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:49.289556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053098/publication.mdobserved d81b8e415499d7f9d40e13a794b59677...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:49.268991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053098/publication.txtobserved 697785909e82cdae936e4ee1b0daad87...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. |
|---|