OT-2026-000031850
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000031850) never changes.
Identity and time
| Publication number | OT-2026-000031850 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-7aa1-a8ce-43e67c1482e1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031850 |
| Status | PUBLIC |
Content hashes
| Canonical text | b4878b6007b947fed98e3a0012d977c80255802a40bd17fc196df3bd669c0d65 |
|---|---|
| Markdown | 0043f86de6950e2df94d2e694162c1681b42a6b219869675f3cfdb6fb2e49e5c |
| Publication page | 85d9667a83b31adc9195d6b3c25e56bbed44a4cb311df64f2bd0662ff7dfb8dd |
| Manifest | c21b17512c01f06aadab1d3ca87633e1290f5678ae20b57d83581c2566845f22 |
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 | QKsr10+219nyhWdBCibfjOXA/bFOy2x/4GLVYC2pQDW0mhrvkxp9h98gWZBnmspJ7qmaR0jYphOtdz5qCqUiDg== |
| 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
| 2026-09-17T11:35:06.216600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031850observed 85d9667a83b31adc9195d6b3c25e56bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:06.197878Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031850/manifest.jsonobserved c21b17512c01f06aadab1d3ca87633e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:06.180470Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031850/publication.mdobserved 0043f86de6950e2df94d2e694162c168...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:06.162098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031850/publication.txtobserved b4878b6007b947fed98e3a0012d977c8...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. |
|---|