OT-2026-000087401
Publication integrity record
Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, sustained 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-2026-000087401) never changes.
Identity and time
| Publication number | OT-2026-000087401 · never reused |
|---|---|
| Internal UUID | 01a0ae9a-cd50-70ac-b1d1-81e213bd039a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:02:55.852518Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087401 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5472f8670c4764b7625c1eb166b04369f18d1c60d0376b5fb2722a022b456435 |
|---|---|
| Markdown | 37b0e74c15d78bd9885a31ecc431477065c6638110e84eeb957365c05a283139 |
| Publication page | 2349dddc25e40943295d0078a8922ec60a241ee12a993fce5d40e79568f1803d |
| Manifest | 49b7a0b641910b32c5c900f3f5afc18b310a778acfa1e4cf545edc619c2469c8 |
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 | s/LWGXC/MsSIPEM0BLvO/P1SCj6pO3GObSQx1d+I5KQqsA5/hcXv7XFgQFsYEFH7jnxaO7loLfH98UXcmuJ7Cw== |
| 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... |
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Independent retrieval
| 2026-10-28T20:41:52.067629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087401observed 2349dddc25e40943295d0078a8922ec6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T20:41:51.993970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087401/manifest.jsonobserved 49b7a0b641910b32c5c900f3f5afc18b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T20:41:51.923183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087401/publication.mdobserved 37b0e74c15d78bd9885a31ecc4314770...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T20:41:51.830840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087401/publication.txtobserved 5472f8670c4764b7625c1eb166b04369...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T12:41:45.355707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087401observed 2349dddc25e40943295d0078a8922ec6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T12:41:45.289329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087401/manifest.jsonobserved 49b7a0b641910b32c5c900f3f5afc18b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T12:41:45.239192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087401/publication.mdobserved 37b0e74c15d78bd9885a31ecc4314770...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T12:41:45.109190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087401/publication.txtobserved 5472f8670c4764b7625c1eb166b04369...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 |
|---|