OT-2026-000080531
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000080531) never changes.
Identity and time
| Publication number | OT-2026-000080531 · never reused |
|---|---|
| Internal UUID | 01a0ae96-7e78-7ff0-bb0e-7f4ce56585c0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:13.512436Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000080531 |
| Status | PUBLIC |
Content hashes
| Canonical text | 706910e504c6fa6d12003377f960ebd5df82f0b4fe68426f2609a71d0dcf5837 |
|---|---|
| Markdown | fed25eff5f28ea278716ede6e6aa5ea03b87c47627210cc8feb15d505383539c |
| Publication page | 1c0320906d0416a5c562bcb8b91a3f6be237fa8548d5063a1530532a3b462ca8 |
| Manifest | bf9334117d39965c1de40b38c7278e1a38890190047a0dc2b032d00afd79eaca |
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 | QuDgj+5TtmpRfoPcxgPjErhVptAP7tvdgaNIr3oAt5+urxGIT1HgRHPytyv7d+5cQmEjfjQigSX6xF9OMP+wAQ== |
| 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
| 2026-09-17T10:03:03.250185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080531observed 1c0320906d0416a5c562bcb8b91a3f6b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:03:03.231041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080531/manifest.jsonobserved bf9334117d39965c1de40b38c7278e1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:03:03.212118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080531/publication.mdobserved fed25eff5f28ea278716ede6e6aa5ea0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:03:03.195098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080531/publication.txtobserved 706910e504c6fa6d12003377f960ebd5...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|