OpenTechnical

OT-2026-000056378

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056378) never changes.

Identity and time

Publication numberOT-2026-000056378 · never reused
Internal UUID01a0ae87-4bd2-7427-9514-d68f5fda7cff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056378
StatusPUBLIC

Content hashes

Canonical textcafb25a2b67e0c6ac2322726e3a824415289fe99c02f17fc966249de0c968bb3
Markdown3bd2ae913d764e05443fb290fe57798ff5f04e8bb9c3bf384283e90d0be21d6f
PDF
Publication pagef503e86f93c704e3e5d891c97a6341d9d68096b029d74313a4b2bc63c4a941d4
Manifest34eb910b894dd021705291f96b41894c2abe9b92604669c689ab01fdc8057ed5

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
Signaturet3cXyIo+z13l4HL3wUHjJB/LGWyxLJPx7z851q2oDE+sv7fH3V8/dKvgq5i0wuh6x0wzxYHqsTioK9w/lQVQAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:53.543532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056378
observed f503e86f93c704e3e5d891c97a6341d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.524204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056378/manifest.json
observed 34eb910b894dd021705291f96b41894c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.504912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056378/publication.md
observed 3bd2ae913d764e05443fb290fe57798f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.482168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056378/publication.txt
observed cafb25a2b67e0c6ac2322726e3a82441...
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.