OT-2026-000031472
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000031472) never changes.
Identity and time
| Publication number | OT-2026-000031472 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ae-772f-9695-d2163d34ee71 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031472 |
| Status | PUBLIC |
Content hashes
| Canonical text | c990247045e4b1cf22750390516889f4a09d461575787a63737ad88579a7dfd7 |
|---|---|
| Markdown | 59c7bf607daa0c5d59f6756de826456cd892eb4581cf46e187b5c9f231869359 |
| Publication page | 5fa74160f7b6f43ca9ae84d2d8f3e25a05a6a25cadd8ceb1f406f9a6c85c965f |
| Manifest | 22c78a8d5450c1384700670631f65b684c40961828f09a0cf0a3759c735231c1 |
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 | slgJR1XP75Q/6BPNV7uA6fKccSpLw0q1nM05ExRUZje8UH+1LZzvPrLzNSivBxusuwk2rYU5oBrA2fUBCa2JDQ== |
| 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
| 2026-09-17T11:36:12.268481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031472observed 5fa74160f7b6f43ca9ae84d2d8f3e25a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:12.250418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031472/manifest.jsonobserved 22c78a8d5450c1384700670631f65b68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:12.231019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031472/publication.mdobserved 59c7bf607daa0c5d59f6756de826456c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:12.213756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031472/publication.txtobserved c990247045e4b1cf22750390516889f4...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. |
|---|