OT-2026-000067015
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000067015) never changes.
Identity and time
| Publication number | OT-2026-000067015 · never reused |
|---|---|
| Internal UUID | 01a0ae8f-14fe-7dbf-ba14-7d697d0f53ce · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:50:07.760615Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000067015 |
| Status | PUBLIC |
Content hashes
| Canonical text | 656efa529f96b4e490fbab3d236d4cca0772a8661f0ae393dc0f10cef9d8dc92 |
|---|---|
| Markdown | 2441612da03435e4a424f547e6947bd5dabbda8771c6dc33bdd320cb4f0e7308 |
| Publication page | 4f5f5ddfb6ef8c1042d60dcf1b0b0c9d4363167d1f8713dfcdc162469d1d89f2 |
| Manifest | 3864255af720f40c98a44198df036e2d2b22dda1a6974f878f16e1c089bdb42c |
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 | PJdQJvOLODfjlnMyL/a5XEwn33+xcKyJtMdx6grsrYaAd/eXdLKy+/AqZWtrw2WrMJIDL95mXkhLtMHYlb5mAQ== |
| 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
| 2026-10-28T00:41:24.869238Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067015observed 4f5f5ddfb6ef8c1042d60dcf1b0b0c9d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T00:41:24.818676Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067015/manifest.jsonobserved 3864255af720f40c98a44198df036e2d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T00:41:24.749111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067015/publication.mdobserved 2441612da03435e4a424f547e6947bd5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T00:41:24.678010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067015/publication.txtobserved 656efa529f96b4e490fbab3d236d4cca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T08:42:04.801764Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067015observed 4f5f5ddfb6ef8c1042d60dcf1b0b0c9d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T08:42:04.702668Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067015/manifest.jsonobserved 3864255af720f40c98a44198df036e2d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T08:42:04.613268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067015/publication.mdobserved 2441612da03435e4a424f547e6947bd5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T08:42:04.512877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067015/publication.txtobserved 656efa529f96b4e490fbab3d236d4cca...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 |
|---|