OT-2026-000052812
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000052812) never changes.
Identity and time
| Publication number | OT-2026-000052812 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42e-7535-bd14-08c8c83ee3f7 · 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-2026-000052812 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2b18b2a485843018d1ad31ff7c8190f6e116473a789aacd280108b2dd9ca1ea8 |
|---|---|
| Markdown | f11f9fa3f82575292d661b31c7bf0f15c34aa7e04a06c08910694c9f8ae6658e |
| Publication page | 8be4ccd0d7b3244bff1de715f97900db1c4a67aa129567807b4aedcbce1b166b |
| Manifest | e73af6d7912bac5e2cd408e70c1b12382291cad1a1762730f5076bc5ec37faf0 |
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 | WGaJQ9JccuIi6/T6jaGxLlUVhnyy+89/c5vZ6QWXIMy1Z5u7dFU74ylQuB/Q8RASSit1xB1joNX64fLdcHAsCg== |
| 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
| 2026-09-17T10:55:49.943396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052812observed 8be4ccd0d7b3244bff1de715f97900db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:49.923745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052812/manifest.jsonobserved e73af6d7912bac5e2cd408e70c1b1238...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:49.903833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052812/publication.mdobserved f11f9fa3f82575292d661b31c7bf0f15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:49.885934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052812/publication.txtobserved 2b18b2a485843018d1ad31ff7c8190f6...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. |
|---|