OT-2026-000042931
Publication integrity record
Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000042931) never changes.
Identity and time
| Publication number | OT-2026-000042931 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7db9-a1ad-1cbba4be2c1a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042931 |
| Status | PUBLIC |
Content hashes
| Canonical text | a3b7105f5721c5cb69de420527987d7a336bacaabc03701a0f4f60e2302db492 |
|---|---|
| Markdown | d1d151c3bef856e1d3fcfdfc40953a6bdfd348bc313fe55c43737136be00fdc8 |
| Publication page | 8cf303752f558d6dc9468743bf7d905403147d33544e9b4c3ab7fcd46334704b |
| Manifest | 34103b0c32f2e01d751f58eacff546f7d46eb266cd0256485fdaa4b0855c11a9 |
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 | 52a2QFTcnHHegq6OqsuGp/+hC6Y7WaAL72V7BBls3+80hxafwUPI2IcMYfI/IJ+eH1BI/pTpw7BN/7bZJvvkCw== |
| 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
| 2026-09-17T11:15:27.690107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042931observed 8cf303752f558d6dc9468743bf7d9054...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:27.670602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042931/manifest.jsonobserved 34103b0c32f2e01d751f58eacff546f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:27.650142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042931/publication.mdobserved d1d151c3bef856e1d3fcfdfc40953a6b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:27.631614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042931/publication.txtobserved a3b7105f5721c5cb69de420527987d7a...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. |
|---|