OpenTechnical

OT-2026-000093111

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000093111) never changes.

Identity and time

Publication numberOT-2026-000093111 · never reused
Internal UUID01a0ae9e-0910-7669-903d-99630dcde5ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093111
StatusPUBLIC

Content hashes

Canonical text1293df479d0e9a964372c8ac2e8e4db22673e27de3815b1d16a74c6a495a1f72
Markdown4910ecd4fa8e68d9ebd3bf68ca59e9e29eb88edbf41e019375f7610c1d670687
PDF
Publication page7413ef33639a1eff1125ec8c3f0049761f6e2e549bc991446cee5d2dd8858c0a
Manifestecb319c60933cc98b9beb629b33072eb8836adadb39a1e12abf647b0c6e28f80

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
SignatureVyGNwjXtppgEVotSh62CBrcD4d2VaG3Ll5WDCJgNzxy7gLArAE3o4DFB6N+rLqSF900Zo0t6HgeG+rOig3ZzBg==
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

2026-09-17T09:40:23.676671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093111
observed 7413ef33639a1eff1125ec8c3f004976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.660498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093111/manifest.json
observed ecb319c60933cc98b9beb629b33072eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.596581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093111/publication.md
observed 4910ecd4fa8e68d9ebd3bf68ca59e9e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.580618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093111/publication.txt
observed 1293df479d0e9a964372c8ac2e8e4db2...
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.