OT-2026-000078796
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, vented after 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-2026-000078796) never changes.
Identity and time
| Publication number | OT-2026-000078796 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbd-7977-bbe4-fc4666ef2108 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078796 |
| Status | PUBLIC |
Content hashes
| Canonical text | 48c51cb928a01445feabf5325702d79476d96033eea119322c06d1ece95e0c5e |
|---|---|
| Markdown | ee639fb5a0350bebfc195b6ebf32065cfd3e0b8945d43987985adde674754f9d |
| Publication page | 4aa10c6316e2cb1d9d9b74d8729e8e747ea52e79ce1ef11c3eac0a4d77a65dae |
| Manifest | be1dad84a07f78cf4e7cae2151b0d0d80f10801cafe66ac35871bfeb9df7371f |
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 | /FPcG84OipR0ftNErSKTGJspJH4Z/ko1lerxOjCIo8Jb3/o4wA2g0bclCgb3FzM0mW37WTzVjQ2uhd8z1LLECw== |
| 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
| 2026-10-12T08:41:17.098257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078796observed 4aa10c6316e2cb1d9d9b74d8729e8e74...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T08:41:17.025441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078796/manifest.jsonobserved be1dad84a07f78cf4e7cae2151b0d0d8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:16.903909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078796/publication.mdobserved ee639fb5a0350bebfc195b6ebf32065c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:16.813865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078796/publication.txtobserved 48c51cb928a01445feabf5325702d794...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T20:41:51.224399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078796observed 4aa10c6316e2cb1d9d9b74d8729e8e74...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T20:41:51.170135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078796/manifest.jsonobserved be1dad84a07f78cf4e7cae2151b0d0d8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T20:41:51.105835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078796/publication.mdobserved ee639fb5a0350bebfc195b6ebf32065c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T20:41:51.031113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078796/publication.txtobserved 48c51cb928a01445feabf5325702d794...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 |
|---|