OT-2026-000073877
Publication integrity record
Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000073877) never changes.
Identity and time
| Publication number | OT-2026-000073877 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8e-78b1-bc13-38817041a98c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000073877 |
| Status | PUBLIC |
Content hashes
| Canonical text | ca3d62caacb94d292d8caa9b8045a59851f60e90f8ed147101cc9e7925b65579 |
|---|---|
| Markdown | 04c92b46bb08b17a55b8800b6627fd1201660b47e6132c45204de0f2bbcb5a31 |
| Publication page | b6e43e4a1c88627c4fb7af79fe86f1e734334f17466fc3c92205526086706902 |
| Manifest | 8343f86330434b11c18e7b193056a916ee48f9df2b016bafecc0357876cf6fe9 |
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 | 6A8ooCm2yMkL1Wy3Mo6W26qzM2z6aZchAw/NCy5JxMJNEiWcJy9JjSSpie9aU5hLzPyyX7hSaD8QPSw//8r8Ag== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-12T00:42:11.679790Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073877observed b6e43e4a1c88627c4fb7af79fe86f1e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T00:42:11.604245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073877/manifest.jsonobserved 8343f86330434b11c18e7b193056a916...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T00:42:11.525022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073877/publication.mdobserved 04c92b46bb08b17a55b8800b6627fd12...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T00:42:11.416629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073877/publication.txtobserved ca3d62caacb94d292d8caa9b8045a598...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:02.551174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073877observed b6e43e4a1c88627c4fb7af79fe86f1e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:02.462982Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073877/manifest.jsonobserved 8343f86330434b11c18e7b193056a916...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:02.387682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073877/publication.mdobserved 04c92b46bb08b17a55b8800b6627fd12...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:02.287273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073877/publication.txtobserved ca3d62caacb94d292d8caa9b8045a598...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 |
|---|