OT-2026-000013197
Publication integrity record
Three cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000013197) never changes.
Identity and time
| Publication number | OT-2026-000013197 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fc8-708d-ab9a-943f86fc009e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013197 |
| Status | PUBLIC |
Content hashes
| Canonical text | 966a164753bcee29c41b27be0385d8e93c21eefe69ccb54fcd6ec6275d575c72 |
|---|---|
| Markdown | 84fc69e8960ac0f223e970cdf5193ef3651f36c1a65255244a56d78de569d1ab |
| Publication page | b12dc0945cd23317eff3df0d9f236ed4d1f8383b406207905313199325b8b1d2 |
| Manifest | 13573713dddcc52f341d82e0995f11df03e24694e86963577d26a84c6dff559e |
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 | WOe5bEvSIwbMnq1ZsoDCqyQHw1AppK1kHGm/yrlNLb8C6d7JijcVIfKpn2AsoSDThWNYz/T7K+aK09K6OkiLCg== |
| 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
| 2026-10-28T20:41:52.862012Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013197observed b12dc0945cd23317eff3df0d9f236ed4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T20:41:52.797255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013197/manifest.jsonobserved 13573713dddcc52f341d82e0995f11df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T20:41:52.737061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013197/publication.mdobserved 84fc69e8960ac0f223e970cdf5193ef3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T20:41:52.632742Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013197/publication.txtobserved 966a164753bcee29c41b27be0385d8e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:20.608613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013197observed b12dc0945cd23317eff3df0d9f236ed4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:20.522619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013197/manifest.jsonobserved 13573713dddcc52f341d82e0995f11df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:20.429576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013197/publication.mdobserved 84fc69e8960ac0f223e970cdf5193ef3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:20.299984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013197/publication.txtobserved 966a164753bcee29c41b27be0385d8e9...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 |
|---|