OpenTechnical

OT-2026-000062898

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump 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-2026-000062898) never changes.

Identity and time

Publication numberOT-2026-000062898 · never reused
Internal UUID01a0ae8c-94a8-74fe-840a-ad7df395a21f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062898
StatusPUBLIC

Content hashes

Canonical texte544b4a94c3808a8078d3bcccc946952747a0b68a598a4bc0025fa4000118ece
Markdown0100e8f2be9ff034082c6a2512b4eed57350f7fcd2ced2053be8aa48bbcfceb8
PDF
Publication pagec65f6f0839e40d20178218f329ead5052f4a937af59d5b9052d394266fed5027
Manifest0a1a99ee3a9e86fab101a0f22b4fe97dfbb42b56e22a81e08befc6129978fce6

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
SignatureEfUVU4AhiF30gqkLArRL4WfFsj5v+adxNX/BRDAiFg9Zy1NviOdu8xJIvoUes/xj+6ibmZPAyT+1DEv/IZ98Cg==
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

2026-09-17T10:40:16.050937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062898
observed c65f6f0839e40d20178218f329ead505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.028965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062898/manifest.json
observed 0a1a99ee3a9e86fab101a0f22b4fe97d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.007853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062898/publication.md
observed 0100e8f2be9ff034082c6a2512b4eed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.988300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062898/publication.txt
observed e544b4a94c3808a8078d3bcccc946952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.366223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062898
observed c65f6f0839e40d20178218f329ead505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.349516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062898/manifest.json
observed 0a1a99ee3a9e86fab101a0f22b4fe97d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.333363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062898/publication.md
observed 0100e8f2be9ff034082c6a2512b4eed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.316890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062898/publication.txt
observed e544b4a94c3808a8078d3bcccc946952...
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.