OT-2026-000078936
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000078936) never changes.
Identity and time
| Publication number | OT-2026-000078936 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbe-7146-8cfd-0ddba39c8a72 · 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-2026-000078936 |
| Status | PUBLIC |
Content hashes
| Canonical text | 05691770eb29b30fdc7fedfe6cab540104694be3504712825822b5c045a61093 |
|---|---|
| Markdown | 1811012cd86701a0a32cae5a18cf48b83c2493ef06298acd4c8f49aeb6de6373 |
| Publication page | fbb63c6ee58172b350c94b0a206f337402d44258c3508a4dd1b1f043f68ad251 |
| Manifest | 38ae3710f59a96490a7364bf200c70793df1ebb9540435fdb58fd875047d0a0b |
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 | 7QPf4WWjocVZiTUO727eIFRm69ib6fIReGUTCpzhQIQv3WzLhb0BOrFEkwsfDdPIlFY1JwHCNtdeFaDCwyCQCw== |
| 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
| 2026-10-05T20:41:10.381465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078936observed fbb63c6ee58172b350c94b0a206f3374...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T20:41:10.311730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078936/manifest.jsonobserved 38ae3710f59a96490a7364bf200c7079...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:10.232156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078936/publication.mdobserved 1811012cd86701a0a32cae5a18cf48b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:10.106613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078936/publication.txtobserved 05691770eb29b30fdc7fedfe6cab5401...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T00:42:03.171273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078936observed fbb63c6ee58172b350c94b0a206f3374...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T00:42:03.104122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078936/manifest.jsonobserved 38ae3710f59a96490a7364bf200c7079...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T00:42:03.021801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078936/publication.mdobserved 1811012cd86701a0a32cae5a18cf48b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T00:42:02.933776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078936/publication.txtobserved 05691770eb29b30fdc7fedfe6cab5401...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 |
|---|