OT-2026-000025979
Publication integrity record
Three cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000025979) never changes.
Identity and time
| Publication number | OT-2026-000025979 · never reused |
|---|---|
| Internal UUID | 01a0ae71-a83f-7804-a0f7-6ff5b37bc46d · 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-2026-000025979 |
| Status | PUBLIC |
Content hashes
| Canonical text | a65c1c7e0e7c4f18c02213c107e039d6bf0b25202b890e072f004bf7fa591ce0 |
|---|---|
| Markdown | 56809c2d574f97a5963884131fa32310cd07c24dc59c03216ada44f68e463938 |
| Publication page | 89859af7f01b9c3d2d813a11fd662941d273f1c35defeb84adf07a1eb4e499db |
| Manifest | b32c45792fe991b1f94b1a9aa37dadba9a6513271d300f022fda09462a40402b |
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 | /5nm82Wd5UaE9RRiCMvrq1kYYD6oo1oAypDEWLAEXcMvEq4BmBUnm4uiT3NfZvdPQS8B1ZGo6zHM1BFRr7VJAw== |
| 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
| 2026-11-04T12:41:27.209143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025979observed 89859af7f01b9c3d2d813a11fd662941...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-04T12:41:27.160145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025979/manifest.jsonobserved b32c45792fe991b1f94b1a9aa37dadba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T12:41:27.107349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025979/publication.mdobserved 56809c2d574f97a5963884131fa32310...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T12:41:27.010152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025979/publication.txtobserved a65c1c7e0e7c4f18c02213c107e039d6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T08:41:12.041091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025979observed 89859af7f01b9c3d2d813a11fd662941...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T08:41:11.972081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025979/manifest.jsonobserved b32c45792fe991b1f94b1a9aa37dadba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T08:41:11.883771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025979/publication.mdobserved 56809c2d574f97a5963884131fa32310...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T08:41:11.798220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025979/publication.txtobserved a65c1c7e0e7c4f18c02213c107e039d6...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 |
|---|