OT-2026-000069706
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, vented 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-2026-000069706) never changes.
Identity and time
| Publication number | OT-2026-000069706 · never reused |
|---|---|
| Internal UUID | 01a0ae90-b52c-7045-a281-da6aab9e287a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:51:54.310022Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000069706 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8bcb02e93e983921481eca9f9a0a5aab938d84d3b2ccfe48b88ea0e02e2be975 |
|---|---|
| Markdown | b327e4e21d70005a95bc155fd8d7d373374274e4c799f5aea29733cdc76bc26c |
| Publication page | bd0956ea94efc201e63a581bfad6274fc03639d431292e12016395dff4c25134 |
| Manifest | d1f6171747fd2f622bf8a6f70ef0612d443dbe5f4a84617cd813a34f445d0143 |
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 | ZyLvq9eNbcqJcULfbsZ4BO+IWKM70dsuBcwFqfWs8ezaRIgbcUOUbETm5hwHXqqsZ7Ik3b7omPvJRJ/zH4AIBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-31T08:42:00.505234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069706observed bd0956ea94efc201e63a581bfad6274f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T08:42:00.384524Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069706/manifest.jsonobserved d1f6171747fd2f622bf8a6f70ef0612d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:42:00.312635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069706/publication.mdobserved b327e4e21d70005a95bc155fd8d7d373...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:42:00.239831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069706/publication.txtobserved 8bcb02e93e983921481eca9f9a0a5aab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:30.830223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069706observed bd0956ea94efc201e63a581bfad6274f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:30.770897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069706/manifest.jsonobserved d1f6171747fd2f622bf8a6f70ef0612d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:30.705087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069706/publication.mdobserved b327e4e21d70005a95bc155fd8d7d373...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:30.632390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069706/publication.txtobserved 8bcb02e93e983921481eca9f9a0a5aab...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|