OT-2026-000052759
Publication integrity record
Two bellows cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, 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-2026-000052759) never changes.
Identity and time
| Publication number | OT-2026-000052759 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42d-7166-8a27-cd1f289881d5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052759 |
| Status | PUBLIC |
Content hashes
| Canonical text | 56dc50efec1c9b9a9713099fbf6d2ff99691fc3edd8e389ec67c26f5479d3291 |
|---|---|
| Markdown | b6892b5ff482340679b32eb54dbc1745e0614e791663a41a262d0e09943acf08 |
| Publication page | dadcecb2b7a04691193fe886a40ff53365d195865c716918cfd2c477d90b88c8 |
| Manifest | d37ba12113b87003e8f261ae8959c47ed287dbcd3dc3d9182087f367ea80f978 |
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 | iNfRtIcTTfcubs172GXLvrvnA0y5Aig/I5Qieys8Dut0X3fvc+Tm3tqyklyBcQ+nJiHW/SFGqzQNLF0mj0dLAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:55:45.821864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052759observed dadcecb2b7a04691193fe886a40ff533...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:45.801826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052759/manifest.jsonobserved d37ba12113b87003e8f261ae8959c47e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:45.783032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052759/publication.mdobserved b6892b5ff482340679b32eb54dbc1745...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:45.762512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052759/publication.txtobserved 56dc50efec1c9b9a9713099fbf6d2ff9...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|