OT-2026-000029839
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000029839) never changes.
Identity and time
| Publication number | OT-2026-000029839 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac47-7d83-af12-2ce79538e1db · 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-2026-000029839 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4c4cd799da3f92c230427b769970b06805205da824ccd52e82dc40cdb7b5b13 |
|---|---|
| Markdown | 01bf0896c858731c3477c07c948fc4984664b225a072bde91d61256688107b32 |
| Publication page | 2fc9a5f2e1c6ebf7c8a64f2ef44b5429f52a4c6515ce2b864a8dd25b15c5f6fb |
| Manifest | 459119fc4d05beb471c6985e399effc5fd07baa6b1cb1d4d32c6c222ec1dc645 |
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 | P4S4W5udr/XukFqiLwNBnR8cg7rCqQlxO3qOlfOV5jr1qvgM1HmW7JBzfR8i4XVwNM2I7S7/keYhSGSS3/cjDQ== |
| 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
| 2026-09-17T11:38:29.333533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029839observed 2fc9a5f2e1c6ebf7c8a64f2ef44b5429...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:29.314731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029839/manifest.jsonobserved 459119fc4d05beb471c6985e399effc5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:29.294941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029839/publication.mdobserved 01bf0896c858731c3477c07c948fc498...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:29.277830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029839/publication.txtobserved a4c4cd799da3f92c230427b769970b06...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. |
|---|