OT-2026-000091707
Publication integrity record
Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off 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-2026-000091707) never changes.
Identity and time
| Publication number | OT-2026-000091707 · never reused |
|---|---|
| Internal UUID | 01a0ae9d-43b9-767d-96e9-ebd98a39fef1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:37.256105Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091707 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7be9f3bda9364b2fc77f26b3d00e778a7e8464211ed8d3edadc0dd180bfe8dee |
|---|---|
| Markdown | d2459e54aaf8958a411c3c6e90960280f6857076d362a536cece1e2fa260f3f5 |
| Publication page | 56733d9434215ea15c9c54f18c82caf8c8516265f84622f9fcf6589fee70a1f4 |
| Manifest | dc4af146a59404048100b36a637f16d36f664785a8b0e58a36ebcb3b2f4aa4e8 |
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 | SygDSNqNO43PY5/PjAlrtagnFSVm9weg0Iu0Xd8fuc7aJ5XVwbTOdh8YPHDGsTkJBFxA3NwEwkxEuilg3Jp+Bg== |
| 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
| 2026-10-31T00:41:35.611349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091707observed 56733d9434215ea15c9c54f18c82caf8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T00:41:35.555823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091707/manifest.jsonobserved dc4af146a59404048100b36a637f16d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T00:41:35.414390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091707/publication.mdobserved d2459e54aaf8958a411c3c6e90960280...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T00:41:35.319197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091707/publication.txtobserved 7be9f3bda9364b2fc77f26b3d00e778a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T16:42:09.053491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091707observed 56733d9434215ea15c9c54f18c82caf8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T16:42:08.961002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091707/manifest.jsonobserved dc4af146a59404048100b36a637f16d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T16:42:08.888854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091707/publication.mdobserved d2459e54aaf8958a411c3c6e90960280...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T16:42:08.822979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091707/publication.txtobserved 7be9f3bda9364b2fc77f26b3d00e778a...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 |
|---|