OT-2026-000026121
Publication integrity record
Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000026121) never changes.
Identity and time
| Publication number | OT-2026-000026121 · never reused |
|---|---|
| Internal UUID | 01a0ae71-a840-7390-be1b-5070691ea5f7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:59.376802Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026121 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3ab675f2cce338bddd3f39b4296d56b2434adfdf71e0b9620a511644d8b67a90 |
|---|---|
| Markdown | 75bba28082b7dac1c43a8ebab63079d80b42b9f2b7bb472657f1ec05daa1fc6b |
| Publication page | bed5d791d37f0dbe256fd39b8e17cf9a3c6c7623d3fe3ac064a21cc121722443 |
| Manifest | 9a16099353f921af607ad9cc5f4e8fe5b7319be79c3602cafad2cf623516c9a5 |
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 | YTn23p+x0+2HQgQJVYjZQWPNi5hETYi41Cb343ixFvdzM42nqcQv0XDu2+jG5L7+0pw50ax5RKFvw90Ht4pfDQ== |
| 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
| 2026-10-16T00:41:11.590595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026121observed bed5d791d37f0dbe256fd39b8e17cf9a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T00:41:11.474912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026121/manifest.jsonobserved 9a16099353f921af607ad9cc5f4e8fe5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:11.399166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026121/publication.mdobserved 75bba28082b7dac1c43a8ebab63079d8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:11.157331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026121/publication.txtobserved 3ab675f2cce338bddd3f39b4296d56b2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:38.717125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026121observed bed5d791d37f0dbe256fd39b8e17cf9a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:38.616613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026121/manifest.jsonobserved 9a16099353f921af607ad9cc5f4e8fe5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:38.480076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026121/publication.mdobserved 75bba28082b7dac1c43a8ebab63079d8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:38.282461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026121/publication.txtobserved 3ab675f2cce338bddd3f39b4296d56b2...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 |
|---|