OT-2026-000041888
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, pulsed blow-off after 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-2026-000041888) never changes.
Identity and time
| Publication number | OT-2026-000041888 · never reused |
|---|---|
| Internal UUID | 01a0ae79-e8a6-78c3-b6e3-d20fad57b132 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:00.220789Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041888 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5a1cbf4837018554a4d365bac9ac423f9f813ccd1588074c44c8c9376f8f367b |
|---|---|
| Markdown | b6bc1facdafdc178fbcf486232add69cee97c874c89d63642dbace2cfe5bfd4c |
| Publication page | 951adf699188aed6e076921af64abfc52769101251d0a0e2a50e2ecb5924ae20 |
| Manifest | 16d3f1695a26b52835c5e70cc2479efff2013a34163bfb6f882c9db08af1de74 |
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 | GPP78RruZrnb9FrIZVkikHLsCOoAFKDAdT0243cX3T5Dm6mT/+FuJoM0Uuxa/lt9QCY4u0XqsnMWoDksGD3OCw== |
| 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
| 2026-11-04T16:41:55.274767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041888observed 951adf699188aed6e076921af64abfc5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-04T16:41:55.201380Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041888/manifest.jsonobserved 16d3f1695a26b52835c5e70cc2479eff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T16:41:55.143313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041888/publication.mdobserved b6bc1facdafdc178fbcf486232add69c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T16:41:55.035789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041888/publication.txtobserved 5a1cbf4837018554a4d365bac9ac423f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:13.989084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041888observed 951adf699188aed6e076921af64abfc5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:13.935438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041888/manifest.jsonobserved 16d3f1695a26b52835c5e70cc2479eff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:13.879167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041888/publication.mdobserved b6bc1facdafdc178fbcf486232add69c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:13.823814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041888/publication.txtobserved 5a1cbf4837018554a4d365bac9ac423f...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 |
|---|