OpenTechnical

OT-2026-000062226

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000062226) never changes.

Identity and time

Publication numberOT-2026-000062226 · never reused
Internal UUID01a0ae8c-0abd-759d-bdad-14f06d388026 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062226
StatusPUBLIC

Content hashes

Canonical text040d4ebb0813266ab4502c7bd05435a9f2b779cda306e71e9c7c5b075ae24eb8
Markdown034a6c404d928bed33bada4bc3aa6ebc39765eb45b613277224a427179a9848c
PDF
Publication pagecc292ac5a05f428b7ce01e9f1b85544f8b3856de8a91168ac986f2d57c0679cc
Manifest7cc6241a0f2f04ed821f34028a0c56260d83cff45d6d843f901ee15578a32e77

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
Signature6e7ct4qfK6q0qoisQRvHBThU+Ga3k4ZZVn5nKBJ4F23KBoomuLHoFkxMpKDDe4NcibM27MwPuTKfM0Fn055SDw==
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

2026-09-17T10:39:29.924518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062226
observed cc292ac5a05f428b7ce01e9f1b85544f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:29.908324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062226/manifest.json
observed 7cc6241a0f2f04ed821f34028a0c5626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:29.890850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062226/publication.md
observed 034a6c404d928bed33bada4bc3aa6ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:29.873227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062226/publication.txt
observed 040d4ebb0813266ab4502c7bd05435a9...
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.