OT-2026-000077720
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000077720) never changes.
Identity and time
| Publication number | OT-2026-000077720 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ecf-7710-ad69-cf75528a3d26 · 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-2026-000077720 |
| Status | PUBLIC |
Content hashes
| Canonical text | 40089dfc8301077fa78adfc4b11266568d44a3f7da2bfbb1e633e58929586d57 |
|---|---|
| Markdown | 02739efc4d905d84dac8b896e43d0505f10333ca22ae061a783ec9e196ab755f |
| Publication page | c17bd09cffafc9a9bff062bb6877958f338f0071af8b640417865dd2637aaa3a |
| Manifest | 1d1204119eacc0240986b61c7b482b0f6bc5f33af5bbf02d6b3e9cd79012023d |
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 | UQxuGIqlbXYjx3gcGvPKW+wwLgc+9RSZyjtL1K9a1HnC5RsJN3mP+5ThNYEAqdOeRRdnca7lBebEWrSkSWChCA== |
| 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
| 2026-10-28T08:41:59.032526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077720observed c17bd09cffafc9a9bff062bb6877958f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T08:41:58.971596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077720/manifest.jsonobserved 1d1204119eacc0240986b61c7b482b0f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T08:41:58.891023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077720/publication.mdobserved 02739efc4d905d84dac8b896e43d0505...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T08:41:58.771498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077720/publication.txtobserved 40089dfc8301077fa78adfc4b1126656...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:30.813674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077720observed c17bd09cffafc9a9bff062bb6877958f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:30.736172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077720/manifest.jsonobserved 1d1204119eacc0240986b61c7b482b0f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:30.627015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077720/publication.mdobserved 02739efc4d905d84dac8b896e43d0505...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:30.515051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077720/publication.txtobserved 40089dfc8301077fa78adfc4b1126656...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 |
|---|