OpenTechnical

OT-2026-000070157

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, supply line pressure sensor, pulsed 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-2026-000070157) never changes.

Identity and time

Publication numberOT-2026-000070157 · never reused
Internal UUID01a0ae91-1862-7190-808b-efb67ba34d3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070157
StatusPUBLIC

Content hashes

Canonical text555ece62172373ede03ce11cf7c6b1543cfc277c21d3efe4e5a1c297874b6154
Markdown07cc810926c76cdf69098368b608270e2414e23cb831f4d9049b82002c65d75e
PDF
Publication page9af0ef1ca67f24494e221539db2f1f34d502a924d8ee75b4315f0d0fccf4f2d1
Manifest89da728b4301eb57db195c8880d6c5727960676081706883b34026653a032a9f

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
Signature+WpV7Tc3Cb/9JH7Ln0CULVfUqxdV6/GMFHBTn03rmZB5xSBUf1CiHsOB99sLJiaVtaQpR0MgjBCdWuBy82P7Cw==
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

2026-09-17T10:27:12.306655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070157
observed 9af0ef1ca67f24494e221539db2f1f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:12.289828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070157/manifest.json
observed 89da728b4301eb57db195c8880d6c572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:12.273592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070157/publication.md
observed 07cc810926c76cdf69098368b608270e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:12.256381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070157/publication.txt
observed 555ece62172373ede03ce11cf7c6b154...
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.