OT-2026-000056252
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump 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-2026-000056252) never changes.
Identity and time
| Publication number | OT-2026-000056252 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd1-7df2-84a0-0a37d8ce1bca · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056252 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8edd75c116936d557ece42083a53c9259d26e7174d0d03fbf6d9e416d3ee5530 |
|---|---|
| Markdown | e3871b41e11b2bf0bc5eda059fdf0c19e99907c27e7349651e390fc26e2e1107 |
| Publication page | 53d3cd044f8fec17d1157d668a17634c2eb3312901f7feca584c14a97f43d776 |
| Manifest | c8cb52fa9aaff6c26a35058f6887d60970e6c7a75a98fbe4f9774ca453b6e18b |
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 | BVlmsXp9c6KCHuOonKnYjC2HbLUuGH3dTxD1e37MZlYl4kpMsQRdakzggVeTrC3ZZGQJ2jq9mRwcgSB/4BekDQ== |
| 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
| 2026-09-17T10:50:44.046054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056252observed 53d3cd044f8fec17d1157d668a17634c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:44.027242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056252/manifest.jsonobserved c8cb52fa9aaff6c26a35058f6887d609...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:44.008331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056252/publication.mdobserved e3871b41e11b2bf0bc5eda059fdf0c19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:43.988772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056252/publication.txtobserved 8edd75c116936d557ece42083a53c925...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. |
|---|