OT-2026-000017071
Publication integrity record
Three cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000017071) never changes.
Identity and time
| Publication number | OT-2026-000017071 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-591b-7030-8753-592b4a2d3f6f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:22.507214Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017071 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8704995235776b8e471f6ad8c21cca3b52da0234f795a11b9cd70924f416f363 |
|---|---|
| Markdown | ee34ffd7af28e40fdfc1a575c8b1cabca0098479bbfe3bd383aa76144aeb70ca |
| Publication page | fc6a153c31027d5a3334fae63b839c043fd4e44a9ae7775bc6506ea1e2cfdd44 |
| Manifest | e03d4315bf7855e391d53a14d9334a06354903861eaa735b329f66472413a6a1 |
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 | 9RUVRQMy8+b+LW/pydJg8lDGqwZ9WGByPpjcp90S3J8ODpu4sAQpAKNetXDXfAFJEVcYZjCTup30UTYqJFKzCA== |
| 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
| 2026-09-30T04:41:27.674902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017071observed fc6a153c31027d5a3334fae63b839c04...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-30T04:41:27.621620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017071/manifest.jsonobserved e03d4315bf7855e391d53a14d9334a06...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:27.546573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017071/publication.mdobserved ee34ffd7af28e40fdfc1a575c8b1cabc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:27.492819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017071/publication.txtobserved 8704995235776b8e471f6ad8c21cca3b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:42:05.858948Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017071observed fc6a153c31027d5a3334fae63b839c04...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:42:05.797869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017071/manifest.jsonobserved e03d4315bf7855e391d53a14d9334a06...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:42:05.725114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017071/publication.mdobserved ee34ffd7af28e40fdfc1a575c8b1cabc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:42:05.645384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017071/publication.txtobserved 8704995235776b8e471f6ad8c21cca3b...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 |
|---|