OT-2026-000052828
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off after set-down
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-2026-000052828) never changes.
Identity and time
| Publication number | OT-2026-000052828 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42e-7afd-91ef-5caa647ae0da · 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-2026-000052828 |
| Status | PUBLIC |
Content hashes
| Canonical text | 331dad604b8c95fd7c8dd5e6582a3e20680374d41a13f829006226c0573e34ed |
|---|---|
| Markdown | cde0206eaadb1b12eef5ab1ffb1e02d65606ae7a2b8394edf0b3d2bd4fb25c49 |
| Publication page | 5d13c78e8f44e9e3dd9e9476341d121fdd505c0b0fdb9ca8aaf8b3db98e52c3a |
| Manifest | fa9468d9d8a80e4a1c370bb30f0cbc51012dee0070d62a322951eb923cd8f7c2 |
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 | Hf3m9Mjw120vW3/ncguPqDYhTruQdi6yaGD2OgHVPLrVhGHea3nMJ+gzXvKlE5gHYTLvLRQM1GXjYWmc0qz3Bg== |
| 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
| 2026-09-17T10:55:51.266055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052828observed 5d13c78e8f44e9e3dd9e9476341d121f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:51.246981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052828/manifest.jsonobserved fa9468d9d8a80e4a1c370bb30f0cbc51...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:51.223673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052828/publication.mdobserved cde0206eaadb1b12eef5ab1ffb1e02d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:51.201675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052828/publication.txtobserved 331dad604b8c95fd7c8dd5e6582a3e20...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. |
|---|