OT-2026-000057280
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000057280) never changes.
Identity and time
| Publication number | OT-2026-000057280 · never reused |
|---|---|
| Internal UUID | 01a0ae87-d5bc-7c09-812a-3d9c5fc68b05 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:12.973410Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057280 |
| Status | PUBLIC |
Content hashes
| Canonical text | fff43e99915fc315a4755a688bd391207c3dd15256e65321d344a4e43c290027 |
|---|---|
| Markdown | 89adf537bbf12c2b00798fedb97b5df8541f363027674cf338ef7d28b89da4be |
| Publication page | ffebc7bf9cdd592f355f2b6bde09497ab0a8b95801d4a22159a69a235f03b5a8 |
| Manifest | ff7eed520ef17e3cb623c18d2947e5ef30862636fdfcc054895b127f2be4d001 |
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 | WMf1b5Y2dHheMxcNpm9NA6wvQTNtjow03bNuIeP3e5SBFcA/L66mFv3ZQ3BBuSYrmd0J9Lr8ZII8bT19l9uDAw== |
| 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
| 2026-09-17T10:50:21.394302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057280observed ffebc7bf9cdd592f355f2b6bde09497a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:21.376480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057280/manifest.jsonobserved ff7eed520ef17e3cb623c18d2947e5ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:21.358954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057280/publication.mdobserved 89adf537bbf12c2b00798fedb97b5df8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:21.338936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057280/publication.txtobserved fff43e99915fc315a4755a688bd39120...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:32.008949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057280observed ffebc7bf9cdd592f355f2b6bde09497a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:31.992036Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057280/manifest.jsonobserved ff7eed520ef17e3cb623c18d2947e5ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:31.973935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057280/publication.mdobserved 89adf537bbf12c2b00798fedb97b5df8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:31.956959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057280/publication.txtobserved fff43e99915fc315a4755a688bd39120...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. |
|---|