OT-2026-000026406
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, single 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-2026-000026406) never changes.
Identity and time
| Publication number | OT-2026-000026406 · never reused |
|---|---|
| Internal UUID | 01a0ae71-f4a7-793b-a641-e32e24f216b1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:18.960773Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026406 |
| Status | PUBLIC |
Content hashes
| Canonical text | b64a3d34ab0676b82298fb49adc6a0e4eedd958a2f56d27220f416ae9853faa7 |
|---|---|
| Markdown | c7cd018ee08fd277145f28d6170c98f3f57dc634ca211cbcfd7337261a0090b5 |
| Publication page | 8135ae17aa87de3d97a19853e9b09ce7b23fc4a39f8a88b7f242215194475269 |
| Manifest | 7104446f12ffb6c094c4b2cbc040cc4bad2b28217c045ef489a98303cefcc650 |
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 | UnmgKmKblRHmnu1jwP3wmI0Z1fPWwRG0QpenE/SZtCpXTnGOvKSJfxF/7hDj0qDtBH+SvdrjASu3n4jSaadRDw== |
| 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
| 2026-10-30T00:41:04.504466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026406observed 8135ae17aa87de3d97a19853e9b09ce7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T00:41:04.432952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026406/manifest.jsonobserved 7104446f12ffb6c094c4b2cbc040cc4b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:04.347586Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026406/publication.mdobserved c7cd018ee08fd277145f28d6170c98f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:04.254575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026406/publication.txtobserved b64a3d34ab0676b82298fb49adc6a0e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:50.079998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026406observed 8135ae17aa87de3d97a19853e9b09ce7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:50.016215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026406/manifest.jsonobserved 7104446f12ffb6c094c4b2cbc040cc4b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:49.950883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026406/publication.mdobserved c7cd018ee08fd277145f28d6170c98f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:49.823720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026406/publication.txtobserved b64a3d34ab0676b82298fb49adc6a0e4...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 |
|---|