OT-2026-000021794
Publication integrity record
Foam pad vacuum gripper, common isolation valve, two stage ejector, sustained 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-2026-000021794) never changes.
Identity and time
| Publication number | OT-2026-000021794 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7ba1-834d-545093e4ef03 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021794 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1e8c338548ae03edf11032267785e15f9e9ee2c5b2e7d7b639fac9a7d890f454 |
|---|---|
| Markdown | 270449d48fe672572c8a0b67087aadcea31612007d6d169c564e38752e6ad4eb |
| Publication page | 0fc70c4380cd9526107146e317405f19b0e58d69c199f8bdc5c885c4d7973f88 |
| Manifest | b0e00b64468d35f6ca449358d9db24807045921450a43208ca657017c2abb020 |
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 | J639KCtejKFx/9DZHsG4AFxnKT6fQy6ffWJcIThyw0P3nhUKtl1jjgI95yMdUsnC2pkK2fZgMwAs13lorpjFAg== |
| 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
| 2026-09-17T11:54:20.769041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021794observed 0fc70c4380cd9526107146e317405f19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:20.754816Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021794/manifest.jsonobserved b0e00b64468d35f6ca449358d9db2480...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:20.738410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021794/publication.mdobserved 270449d48fe672572c8a0b67087aadce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:20.718206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021794/publication.txtobserved 1e8c338548ae03edf11032267785e15f...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. |
|---|