OT-2026-000022988
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down
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-2026-000022988) never changes.
Identity and time
| Publication number | OT-2026-000022988 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46ec-7dce-ba5b-b21d0c94d20f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022988 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6d7c7020a68d16dc35eaaeaea37a5659d4275e7f7ac78279fc2c14409a8a6e32 |
|---|---|
| Markdown | 758d55b5c8e7367c8bcf1ff3cc9c64f44fc6423e678fa6b7b0d3f8884bcc8a4a |
| Publication page | f38f8276d50cfa9565734dafa592f560812dd710c0ff02ddb6b7f83eb8c37665 |
| Manifest | 2891e0ad99d0fb6531c6740251af6932cf7f29319802df1f1d0d4548a19c4065 |
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 | BqWpGMMzPTKjUyI1i9SjUQqe/4NBIBxWbdusEC6+kgUU4aVF6h0+xQAK6WjqAgxom/jSi0dpRDRKQF3sbpeBBQ== |
| 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
| 2026-09-17T11:52:34.783552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022988observed f38f8276d50cfa9565734dafa592f560...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:34.768268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022988/manifest.jsonobserved 2891e0ad99d0fb6531c6740251af6932...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:34.752622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022988/publication.mdobserved 758d55b5c8e7367c8bcf1ff3cc9c64f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:34.736779Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022988/publication.txtobserved 6d7c7020a68d16dc35eaaeaea37a5659...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. |
|---|