OT-2026-000049253
Publication integrity record
Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000049253) never changes.
Identity and time
| Publication number | OT-2026-000049253 · never reused |
|---|---|
| Internal UUID | 01a0ae81-134f-767b-9476-8d949b83d445 · 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-2026-000049253 |
| Status | PUBLIC |
Content hashes
| Canonical text | c5f5f204f8146d1b43a35de0646a27386482c698c0769b1c843dfea21cab8421 |
|---|---|
| Markdown | f2b08ec6737ec72313a8b438262a3a64e6f5e20de13d51656658969142bb7a08 |
| Publication page | f536d3e13fb91f0e2cbce0246d934a5900b5a2c1bf596d6e9e4bff1042bee7bf |
| Manifest | f6183240078f95e2fb62ea6404aeee1e3f1204277a7a3701d9cf3460296f6bf8 |
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 | GVFGPygWRvMfIAtTfgAegajxwPAf6YLj2hnlbGCuEAcBMKDCl0re/h7b64ohp9wx4usxDIfoEmsWQkFGo5lgCA== |
| 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
| 2026-09-17T11:04:06.045452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049253observed f536d3e13fb91f0e2cbce0246d934a59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:04:06.025635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049253/manifest.jsonobserved f6183240078f95e2fb62ea6404aeee1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:06.006504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049253/publication.mdobserved f2b08ec6737ec72313a8b438262a3a64...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:05.985317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049253/publication.txtobserved c5f5f204f8146d1b43a35de0646a2738...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. |
|---|