OT-2026-000021709
Publication integrity record
Four cup vacuum gripper, four outlet manifold, three 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-2026-000021709) never changes.
Identity and time
| Publication number | OT-2026-000021709 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7cf1-a1c5-21b19b422ae1 · 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-2026-000021709 |
| Status | PUBLIC |
Content hashes
| Canonical text | c19dcd1d6e97d3c6783c1d839709c3b6adbc8de697e56624b10e59d88da4449c |
|---|---|
| Markdown | 990925d644ed4c8eb5b60b690301ba673b0e4a3f74a3b6af0ef0b45f43de8ce6 |
| Publication page | 49c7382433222510cdc8b6727fad82271a1d121696c4dcf85e10a1f615e4c679 |
| Manifest | 886b6be49e2b1760bd8911b00045bfd99485bb6743c797de811d1617b991fb0a |
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 | fBFjX/lBoEZO8025qJI1VFa6u3ghWocVQZfEn1J6B1mJuOyzOzYC+8gDqJtdI5ktCjPUDyWI2tHE5vA3LRvtCQ== |
| 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
| 2026-09-17T11:54:14.955848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021709observed 49c7382433222510cdc8b6727fad8227...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:14.936163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021709/manifest.jsonobserved 886b6be49e2b1760bd8911b00045bfd9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:14.917257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021709/publication.mdobserved 990925d644ed4c8eb5b60b690301ba67...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:14.896920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021709/publication.txtobserved c19dcd1d6e97d3c6783c1d839709c3b6...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. |
|---|