OT-2026-000008641
Publication integrity record
Foam pad vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000008641) never changes.
Identity and time
| Publication number | OT-2026-000008641 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-e46b-7d33-843f-d1e6c04e9608 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:36.030441Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008641 |
| Status | PUBLIC |
Content hashes
| Canonical text | 384cb8162f1d8d35a8cf41c60b4b734d0d66ed9906334ab61ff5354607cc86a2 |
|---|---|
| Markdown | 6f30e945d9030f8020b6b201a980abc22dd8cc446671c3e5163b0e07f27a0225 |
| Publication page | 9034aeaafbfbaa336eb2d928e8c0e9c0f65b6b6c4a0913776cddeb8319a2cfb0 |
| Manifest | 2e007a9ccb21d454cebe55da2a5066d0b2273642558d25149b73179514be0c90 |
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 | uD9QBAHfxCYFgO/p/qz6nakfmAW/Are5qLkuLKzfqUDlaXhNwpC/pLnel0bM6duQk10THlRbDw+hkpildVEPAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-10-07T00:42:38.402951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008641observed 9034aeaafbfbaa336eb2d928e8c0e9c0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-07T00:42:38.293075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008641/manifest.jsonobserved 2e007a9ccb21d454cebe55da2a5066d0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:42:38.207335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008641/publication.mdobserved 6f30e945d9030f8020b6b201a980abc2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:42:38.069728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008641/publication.txtobserved 384cb8162f1d8d35a8cf41c60b4b734d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:41:44.922009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008641observed 9034aeaafbfbaa336eb2d928e8c0e9c0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:41:44.768075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008641/manifest.jsonobserved 2e007a9ccb21d454cebe55da2a5066d0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:41:44.557138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008641/publication.mdobserved 6f30e945d9030f8020b6b201a980abc2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:41:44.138695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008641/publication.txtobserved 384cb8162f1d8d35a8cf41c60b4b734d...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 |
|---|