OT-2026-000087917
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, three 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-2026-000087917) never changes.
Identity and time
| Publication number | OT-2026-000087917 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa5-7154-b0b0-04c6a4a8c0f7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:03:15.638297Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087917 |
| Status | PUBLIC |
Content hashes
| Canonical text | fccc0cb4e9356848c9b2d55b5cf5bed9a7ac8ef1d1682f89d6427cc4e0f7c8ef |
|---|---|
| Markdown | 896641c5bcd984661607b4636cd3791b6d45c4df53e74dd736b51200783cb2be |
| Publication page | b3ef59c095286722d79b3c552b9b68a68856503a2367a048df53c59d59d951ad |
| Manifest | d3f5c8426b0b3304c0af0f6515c662adbb206ecd22e83814f11cbc4b82b8ed4a |
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 | YYgszHvyx4d6JqHnA4I7eT8I8Zieus7UwBmfi+7AEKr63T/0JjxoYFFS4Yx0D4+k9+OrERUVVGOry9I5mjUuDQ== |
| 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
| 2026-10-16T20:41:12.055965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087917observed b3ef59c095286722d79b3c552b9b68a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T20:41:11.946082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087917/manifest.jsonobserved d3f5c8426b0b3304c0af0f6515c662ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T20:41:11.818271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087917/publication.mdobserved 896641c5bcd984661607b4636cd3791b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T20:41:11.587961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087917/publication.txtobserved fccc0cb4e9356848c9b2d55b5cf5bed9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:57.706821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087917observed b3ef59c095286722d79b3c552b9b68a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:57.652545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087917/manifest.jsonobserved d3f5c8426b0b3304c0af0f6515c662ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:57.599459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087917/publication.mdobserved 896641c5bcd984661607b4636cd3791b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:57.498010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087917/publication.txtobserved fccc0cb4e9356848c9b2d55b5cf5bed9...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 |
|---|