OT-2026-000020248
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum 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-2026-000020248) never changes.
Identity and time
| Publication number | OT-2026-000020248 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7343-bf6a-a5c0c624e8cc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020248 |
| Status | PUBLIC |
Content hashes
| Canonical text | fba5c73f1443f66bc457f4696365fa8c2f5e047787110b56bdeba2b75a47ebab |
|---|---|
| Markdown | 23e2377d461879b9f752451b09509ce5def8199aafd76ee92e1859dad9a51c05 |
| Publication page | b3003297bbc25dff31c0c3fa8d19483fd905bd067cb435df7c2df9b73d067945 |
| Manifest | e5beacd3507b599d4acf33519b09b819341eb31fc567ff0434c0f09a4a3d48a6 |
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 | TliQ4H9XQUigldD4Zmr/3Zi0Tpjhr1NPj/IPaIFjxQ9jskS94I3XAHVWys1VS5MpihgJQX8JckakhZnXOdneAQ== |
| 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
| 2026-09-17T11:56:35.624443Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020248observed b3003297bbc25dff31c0c3fa8d19483f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:35.603771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020248/manifest.jsonobserved e5beacd3507b599d4acf33519b09b819...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:35.585697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020248/publication.mdobserved 23e2377d461879b9f752451b09509ce5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:35.567323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020248/publication.txtobserved fba5c73f1443f66bc457f4696365fa8c...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. |
|---|