OpenTechnical

OT-2026-000104525

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000104525) never changes.

Identity and time

Publication numberOT-2026-000104525 · never reused
Internal UUID01a0aea7-239f-7971-92e4-128fa70ae2de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:16:24.420933Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104525
StatusPUBLIC

Content hashes

Canonical textf816eaf013d2ec73c272f5212761b9436a4651797b09a240e8d93a19ea7a8fe1
Markdown20e0a4a00495ad9eb09f1267211362ee4cbd7d15a11ab7d58182838220799deb
PDF
Publication page6683e28c196f5813651628f3d4161a624af81ba85cdc5bf0972685dfd2e0b5bd
Manifestbedca1a28e8a57ad6bbca2ef2922ddd0f19709b4401a39c8efcd02deeeea6066

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
Signaturecmm5ZhwJhnwL7TZfss4eAAhXDIa4pU+eNBuH54tMsQBAJNsSq1l5lBZraTE7ALsHp7ZIU3OqI/yjGCbvP5l0AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:02.521650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104525
observed 6683e28c196f5813651628f3d4161a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.504392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104525/manifest.json
observed bedca1a28e8a57ad6bbca2ef2922ddd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.485781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104525/publication.md
observed 20e0a4a00495ad9eb09f1267211362ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.466887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104525/publication.txt
observed f816eaf013d2ec73c272f5212761b943...
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.