OT-2026-000001638
Publication integrity record
Method and system for gripping and moving objects
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-2026-000001638) never changes.
Identity and time
| Publication number | OT-2026-000001638 · never reused |
|---|---|
| Internal UUID | 01a0a677-5536-7ecb-beb2-fe50f733f89d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:07:13.590944Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001638 |
| Status | PUBLIC |
Content hashes
| Canonical text | e5d79c497a5b3775eb5842eeb92f509db680218b1794a35c686419b88eeb2865 |
|---|---|
| Markdown | d51aa5db4728ec14fdabf6ef9b2ab39e192866eb1aae9a830319119470ebcc8e |
| Publication page | cf4ba74faa26b21ede89f1a880616d7fd8062ba7b863419ca7bf81babb8bf089 |
| Manifest | 58c8d87851afd38dc9024af438c384f78de8574fec7c1fe90edc68b7ba59914b |
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 | RRN9X+ql5k9n5vz98fhB0lUvAP6gQaWOiy8SeBwQH5/TdLroTiWqgg9zE5Bwslebm6fJaJ7s/EtBHHPNWuIuAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-16T12:43:17.105465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001638observed cf4ba74faa26b21ede89f1a880616d7f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T12:43:16.671010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001638/manifest.jsonobserved 58c8d87851afd38dc9024af438c384f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:43:16.427410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001638/publication.mdobserved d51aa5db4728ec14fdabf6ef9b2ab39e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:43:16.245075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001638/publication.txtobserved e5d79c497a5b3775eb5842eeb92f509d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:44:04.762176Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001638observed cf4ba74faa26b21ede89f1a880616d7f...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:44:04.260402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001638/manifest.jsonobserved 58c8d87851afd38dc9024af438c384f7...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:44:04.004445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001638/publication.txtobserved e5d79c497a5b3775eb5842eeb92f509d...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:20.249964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001638observed cf4ba74faa26b21ede89f1a880616d7f...fetched by instance-3.rotem.ai from 127.0.0.1, 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 |
|---|