OT-2026-000012850
Publication integrity record
Foam pad vacuum gripper, two stage ejector, pulsed 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-2026-000012850) never changes.
Identity and time
| Publication number | OT-2026-000012850 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5563-7440-92bc-c34216a0f3d0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012850 |
| Status | PUBLIC |
Content hashes
| Canonical text | 550ac72d3c1ad688c641d89ed1ea9b0992ddcab0f673113854e5510c8893fed8 |
|---|---|
| Markdown | 091872ae7db63c29c1913e89dd7e7aa61ba7c7eff10c1b8592845cfd7f10f589 |
| Publication page | 688bf7ef736607787520581d6292ad2f6499e1ba48b52da18965e7b35692e577 |
| Manifest | b7bd9163a25df0223b0ce65e7a7b04304116d7c1e8b464db48844f096020a793 |
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 | uuLAWlpR9H4e5hSRnSdWB77pDNnawP27uDtkwxtqY0V4x+++MkSOTXq7yKoiFg1ho5kcY2lqsOzDBmmlA3ibCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-16T04:24:04.400609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012850observed 688bf7ef736607787520581d6292ad2f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T04:24:04.386785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012850/manifest.jsonobserved b7bd9163a25df0223b0ce65e7a7b0430...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:24:04.371564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012850/publication.mdobserved 091872ae7db63c29c1913e89dd7e7aa6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:24:04.253430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012850/publication.txtobserved 550ac72d3c1ad688c641d89ed1ea9b09...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T12:42:04.176898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012850observed 688bf7ef736607787520581d6292ad2f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T12:42:04.075125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012850/manifest.jsonobserved b7bd9163a25df0223b0ce65e7a7b0430...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T12:42:03.950286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012850/publication.mdobserved 091872ae7db63c29c1913e89dd7e7aa6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T12:42:03.810691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012850/publication.txtobserved 550ac72d3c1ad688c641d89ed1ea9b09...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 |
|---|