OT-2026-000004599
Publication integrity record
Porous face vacuum gripper, per zone isolation, three outlet manifold, three stage ejector, contact triggered
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-2026-000004599) never changes.
Identity and time
| Publication number | OT-2026-000004599 · never reused |
|---|---|
| Internal UUID | 01a0a91d-4c27-7ba9-9b14-a4565e02ef7b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:27:44.682094Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004599 |
| Status | PUBLIC |
Content hashes
| Canonical text | 02afc766544ca140f039040ffaa263763ff14c7b8bb60c23bf4929c5db34fc74 |
|---|---|
| Markdown | d29d9f75a4e0459e201ff6fa01013c4a392e84054b37855913f6cc0cfbe01dd6 |
| Publication page | db7b1f4a64cf456bcd334d3773b6a7f906c88cc8e3ba02fd3bc037abae8de412 |
| Manifest | 20325ed78e570f6ccedc5c5fab11a6dfbaacbb6feee56e901ecb79493353ada1 |
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 | 3umfNTLcV2eLaIO2+Ft3Ax6rjwhVpHGwXp1LDqNPTOQUmR2pXB+2XgDDY7cHDEQFuR2qB6/7wgzUFptj2fUqBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-10-25T08:41:44.868283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004599observed db7b1f4a64cf456bcd334d3773b6a7f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T08:41:44.822528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004599/manifest.jsonobserved 20325ed78e570f6ccedc5c5fab11a6df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T08:41:44.775136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004599/publication.mdobserved d29d9f75a4e0459e201ff6fa01013c4a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T08:41:44.658653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004599/publication.txtobserved 02afc766544ca140f039040ffaa26376...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:42:29.473586Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004599observed db7b1f4a64cf456bcd334d3773b6a7f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:42:29.228584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004599/manifest.jsonobserved 20325ed78e570f6ccedc5c5fab11a6df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:42:28.935561Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004599/publication.mdobserved d29d9f75a4e0459e201ff6fa01013c4a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:42:28.685046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004599/publication.txtobserved 02afc766544ca140f039040ffaa26376...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 |
|---|