OT-2026-000077922
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000077922) never changes.
Identity and time
| Publication number | OT-2026-000077922 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ed1-74e0-b7de-2492db64f6dd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077922 |
| Status | PUBLIC |
Content hashes
| Canonical text | 72e46f1170138a514796d8467a685427eb7d590dc38932ba69bcbc1833cba0f2 |
|---|---|
| Markdown | 7b3756a6700b5a310bc85de8dcbfa90634deb7924fc6b7b7e85591254c4f1cd8 |
| Publication page | 9c6815af04b574fa57981b28a9374b473bb5f1615806c9d330041411a8dfa955 |
| Manifest | e892e67a4e7d7eb16cfb39fcf1735696537c4a3cf9f9a8d30dfa2767341a9f08 |
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 | w5qYx5iTjjUh9kbHfAltZz1tw4G3vLRauMptSAlUcouxmknFmOzQ+xrvM54PzFuh8liYCVcMiXHpiSkxyrnHBg== |
| 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
| 2026-10-29T04:41:26.884064Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077922observed 9c6815af04b574fa57981b28a9374b47...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T04:41:26.778906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077922/manifest.jsonobserved e892e67a4e7d7eb16cfb39fcf1735696...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:26.716298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077922/publication.mdobserved 7b3756a6700b5a310bc85de8dcbfa906...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:26.654624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077922/publication.txtobserved 72e46f1170138a514796d8467a685427...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:07.985544Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077922observed 9c6815af04b574fa57981b28a9374b47...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:07.914229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077922/manifest.jsonobserved e892e67a4e7d7eb16cfb39fcf1735696...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:07.833392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077922/publication.mdobserved 7b3756a6700b5a310bc85de8dcbfa906...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:41:07.722887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077922/publication.txtobserved 72e46f1170138a514796d8467a685427...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 |
|---|