OT-2026-000029878
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000029878) never changes.
Identity and time
| Publication number | OT-2026-000029878 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac47-7a96-aa94-68dfe55c6e0c · 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-2026-000029878 |
| Status | PUBLIC |
Content hashes
| Canonical text | ba3adabd28a1a88c9ce91c9d4896ebb76f0cfbcda1ac2b9f0d740d188152701b |
|---|---|
| Markdown | d7c00aca818db59f9bbbc530bbdc12105b600c1daf0d51f24ee9ce8f1e5f6b10 |
| Publication page | 5f3bc3864ca402879c2fa3437c4dd53eed14f4ef3e5e1693d82fe0d3cdcbc2a7 |
| Manifest | 0cab051007536d313da32ed5298dc5b909ab770f70d9fb2627968e187ab7c04f |
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 | +4SkIvJtWqU5nI3k8ZuhO6ZXWoSw9eF5fk+dRhyIdq7CZK0BrxSWMCIHgC1Ae3I5klQanx7AkWcU4+56KtXxAg== |
| 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
| 2026-09-17T11:38:34.536501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029878observed 5f3bc3864ca402879c2fa3437c4dd53e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:34.520617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029878/manifest.jsonobserved 0cab051007536d313da32ed5298dc5b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:34.504988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029878/publication.mdobserved d7c00aca818db59f9bbbc530bbdc1210...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:34.489497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029878/publication.txtobserved ba3adabd28a1a88c9ce91c9d4896ebb7...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|