OT-2026-000053056
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line 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-2026-000053056) never changes.
Identity and time
| Publication number | OT-2026-000053056 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a431-7c18-b5a8-0e3bfbe6d985 · 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-2026-000053056 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8118213f82b8f668ad4fb9b2ef21608d798ef567e649e69f17d0641a15b4ee4a |
|---|---|
| Markdown | f49fb2483272c1ab3adeda6649ca9013928c59d6ccf1d4fc37cd517efe23ab7e |
| Publication page | 4b717ee8c93bb3e1fdbef8dd8ff07a96356d043e4b574ad4edb64ec679e32a86 |
| Manifest | cbf5c1a72c15011084a94fbb582d810985570125b21824c844b87495bcfaa6a1 |
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 | 2pGB74HocWS9otubW+Hu3R48kbN7w7CZOslq1MjQ+DhsOPvGuAmG+EtARJ8Lb9M2fFrNwdLEPOuXvMEldU6NDQ== |
| 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
| 2026-09-17T10:56:46.099329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053056observed 4b717ee8c93bb3e1fdbef8dd8ff07a96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:46.079295Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053056/manifest.jsonobserved cbf5c1a72c15011084a94fbb582d8109...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:46.058960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053056/publication.mdobserved f49fb2483272c1ab3adeda6649ca9013...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:46.039177Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053056/publication.txtobserved 8118213f82b8f668ad4fb9b2ef21608d...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. |
|---|