OpenTechnical

OT-2026-000066691

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000066691) never changes.

Identity and time

Publication numberOT-2026-000066691 · never reused
Internal UUID01a0ae8e-ce42-7aef-b3f9-ad1c2d078322 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066691
StatusPUBLIC

Content hashes

Canonical texte5f5a31e52d9f76d115304b3bf5108cf6634810037ea5aee75bbe2f7120588a4
Markdown62c21204f985b21d5a2ee746f7e9f923c01f69373b49460068c78f7521b5cf74
PDF
Publication page4ff1bfc564bfbcca4b2db9c314d4745dc26759e5d0260c261e2c679298e58be4
Manifest7ac676bf54ac5c5623599d7998d76e31b6c18e3ce8e40c090ce03339df978147

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturey0WQ9iVU9bADvbNfpUYKMDJIqrSumkTAk3xnadc+bDR9lHEsCc/6moQfItjAfk91uk3WpT2SRVjShx5OwCuLCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:05.421539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066691
observed 4ff1bfc564bfbcca4b2db9c314d4745d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.402861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066691/manifest.json
observed 7ac676bf54ac5c5623599d7998d76e31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.381915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066691/publication.md
observed 62c21204f985b21d5a2ee746f7e9f923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.365175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066691/publication.txt
observed e5f5a31e52d9f76d115304b3bf5108cf...
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 archivePending 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 packagePending Custody packages are produced weekly.