OT-2026-000055520
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000055520) never changes.
Identity and time
| Publication number | OT-2026-000055520 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a102-7bc6-88ac-8f287132ad22 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055520 |
| Status | PUBLIC |
Content hashes
| Canonical text | 371a6ec17106d453165626ea96b46cc62ed4016ec30d00cbac5b3db0990e50ff |
|---|---|
| Markdown | 1749a291dc7d87db20ab0d606962912916fd9c220d30f7eac998c7620c9184ac |
| Publication page | 678e3f2aa48e93c9247fb2750f3daff678825310c44e07d8be47b84b401858ad |
| Manifest | ca8ab080d9cec0117e8ee15e06e8107f0839f21392414b4271589e5d7e1fa7ac |
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 | mohKtdhNwGWIao1f5wyu7DJhlHYuNj2DBtC19ByTRlCLdzGkUGyaqz25eEPJwlBSZaRGkaGHXw1EfkBYf4DUBw== |
| 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
| 2026-09-17T10:52:11.811595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055520observed 678e3f2aa48e93c9247fb2750f3daff6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:52:11.793854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055520/manifest.jsonobserved ca8ab080d9cec0117e8ee15e06e8107f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:11.777373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055520/publication.mdobserved 1749a291dc7d87db20ab0d6069629129...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:11.759214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055520/publication.txtobserved 371a6ec17106d453165626ea96b46cc6...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
| Custody package | Pending Custody packages are produced weekly. |
|---|