OT-2026-000004634
Publication integrity record
Vacuum cup gripper, three zone face, three stage ejector, contact triggered, vented 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-2026-000004634) never changes.
Identity and time
| Publication number | OT-2026-000004634 · never reused |
|---|---|
| Internal UUID | 01a0a91e-5e5a-73a6-9cd7-115913646b34 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:28:54.877833Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004634 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6c04e57710b0004649b4379285ce24d0185e4059b8801b162466aa43586fc3e5 |
|---|---|
| Markdown | a954bed191ecd7518adf96b6f68ba467009739f0e6ec638b2263b34d0a166e2d |
| Publication page | 56ddf97df6dbad2695cd8bb1bb3a53735381b54d14c35d8bd2653141d4316a20 |
| Manifest | b2bcc3b81769a1f75119c2bceb2064ff4856e3e3aa5bf73a180f00d999c21022 |
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 | n5CZ5tAh7Hn4/KUQV2WSozhWxALMoB6BGlrKorNJoI+zbjSqOhGUjveOXljqnSN7OLMfjoCdDh1v8cdRnN0tBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:30:06.877344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004634observed 56ddf97df6dbad2695cd8bb1bb3a5373...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:06.739100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004634/manifest.jsonobserved b2bcc3b81769a1f75119c2bceb2064ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:06.724696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004634/publication.mdobserved a954bed191ecd7518adf96b6f68ba467...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:06.711571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004634/publication.txtobserved 6c04e57710b0004649b4379285ce24d0...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. |
|---|