OT-2026-000006771
Publication integrity record
Porous face vacuum gripper, pump fed, pulsed blow off before set down, closed cell
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-2026-000006771) never changes.
Identity and time
| Publication number | OT-2026-000006771 · never reused |
|---|---|
| Internal UUID | 01a0a966-da21-7d43-b67d-1420177675cb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:48:05.156917Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006771 |
| Status | PUBLIC |
Content hashes
| Canonical text | e5cd5fb950f8f3b9024bcaa4d1a82a821f2716b9e32820c31ac70b834ed2cf23 |
|---|---|
| Markdown | 388ebc86aca0de6aa8ddbde475a0c9f661426d3660edfa86d37f64a286246df4 |
| Publication page | c4c4f4805061ccef71723f92b60ab8f4bc4d75b3e0605f065159e0674f6a1da8 |
| Manifest | a1f92047d1f8bd07157c01547527ab370f5310c6b14fe497940b49cbeaa0853f |
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 | 0oMSFUO4cBKf5StdbH/FMkWjm5GIGfhjRDtBfZfBgyCcOLMOGizOMfn3jIDrddySPhRufdZcqytlIr0PGO8ZBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-10-24T04:42:07.358799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006771observed c4c4f4805061ccef71723f92b60ab8f4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T04:42:07.273454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006771/manifest.jsonobserved a1f92047d1f8bd07157c01547527ab37...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:42:07.196423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006771/publication.mdobserved 388ebc86aca0de6aa8ddbde475a0c9f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:42:06.962800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006771/publication.txtobserved e5cd5fb950f8f3b9024bcaa4d1a82a82...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:07.849461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006771observed c4c4f4805061ccef71723f92b60ab8f4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:07.802687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006771/manifest.jsonobserved a1f92047d1f8bd07157c01547527ab37...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:07.755329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006771/publication.mdobserved 388ebc86aca0de6aa8ddbde475a0c9f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:07.647808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006771/publication.txtobserved e5cd5fb950f8f3b9024bcaa4d1a82a82...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 |
|---|