OT-2026-000006407
Publication integrity record
Porous face vacuum gripper, three zone face, ejector fed, contact triggered, vented after set down
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-2026-000006407) never changes.
Identity and time
| Publication number | OT-2026-000006407 · never reused |
|---|---|
| Internal UUID | 01a0a95a-2d1c-7c40-876d-f7696203406e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:34:14.430711Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006407 |
| Status | PUBLIC |
Content hashes
| Canonical text | c760bab9635013ce4eeede4a27d98681741f2e7d909d5acc4b2eb2ca86968339 |
|---|---|
| Markdown | ab2beba5f80c9d3cf32b37eabd28b75373f52de50553181fb5c055ec954be38e |
| Publication page | afc57e401e97535bccfc55b1f704706ab6fa444f9c5007a62357bc4bfdc88789 |
| Manifest | 94563198ecfec205f4acfa7fb6342cca2d7ec9852a4216403624a93eaed7f778 |
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 | /6pOzxeiCQlfshPxMJh6praxiv4t7S7IcAaT8cvICvs7Jz01OiUITn0oxuIqUo2qcCfglViith7xu6z/3e92Ag== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-10-04T16:41:42.202797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006407observed afc57e401e97535bccfc55b1f704706a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T16:41:42.156372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006407/manifest.jsonobserved 94563198ecfec205f4acfa7fb6342cca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:42.112739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006407/publication.mdobserved ab2beba5f80c9d3cf32b37eabd28b753...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:41.986818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006407/publication.txtobserved c760bab9635013ce4eeede4a27d98681...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:21.131080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006407observed afc57e401e97535bccfc55b1f704706a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:20.991506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006407/manifest.jsonobserved 94563198ecfec205f4acfa7fb6342cca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:20.977920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006407/publication.mdobserved ab2beba5f80c9d3cf32b37eabd28b753...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:20.965549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006407/publication.txtobserved c760bab9635013ce4eeede4a27d98681...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|