OT-2026-000031915
Publication integrity record
Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000031915) never changes.
Identity and time
| Publication number | OT-2026-000031915 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-715f-a031-a08c88601cf0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031915 |
| Status | PUBLIC |
Content hashes
| Canonical text | 58300985ed869ae83d16a3c11391de28543aae60821d9b3a93924e904ed74dfd |
|---|---|
| Markdown | 970cfd58fe1c1252435c8a2fbc98d5c666380383667c84fe3d73268d683313e5 |
| Publication page | 375aae4ed39d4af4bcbc2674139f640959941a603400fbc637f8fa5e7e6ad3ce |
| Manifest | cb72eb8cf2948b4fb24bce38eee2fc074b0bc85e26f4024c8b883adf37581568 |
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 | haYjn6+P8uATCxsOo+1EOzxd2fxxjptY6xErj6nsdsXQC0KSOCxlAtZ7GbjJCDXVa6VrElMq/oioB3zErY2CBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:35:11.350798Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031915observed 375aae4ed39d4af4bcbc2674139f6409...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:11.332728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031915/manifest.jsonobserved cb72eb8cf2948b4fb24bce38eee2fc07...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:11.313080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031915/publication.mdobserved 970cfd58fe1c1252435c8a2fbc98d5c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:11.293839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031915/publication.txtobserved 58300985ed869ae83d16a3c11391de28...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 |
|---|