OpenTechnical

OT-2026-000095568

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000095568) never changes.

Identity and time

Publication numberOT-2026-000095568 · never reused
Internal UUID01a0ae9f-8f75-73fb-998a-d30f625533fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095568
StatusPUBLIC

Content hashes

Canonical text26ebcd5f952fd49958170476a0bb722bd8bfae410449b5d2c4874f1a1a416631
Markdown5d440e50046d3ca7e7bb9821291c3c5aef4ee0356517f435d64bc3ef43de142e
PDF
Publication page3bd36a88943bdb3b6b70f0a4370fff11b3e52cc5622d12d033d0af59c6c4917b
Manifest535ff3214aabf76c1f98c181f844d69dade225ce23e044f633b31e824f348b9a

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
SignatureYrAt4AbXcrjlsgiAHM8Cbva7aXRLKighWyoRZ2GmaQ4KgeHq8k5TUTJ+UnCVZYkLqeOpGie3130AlelbAz9UAg==
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

2026-09-17T09:36:59.098243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095568
observed 3bd36a88943bdb3b6b70f0a4370fff11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.081559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095568/manifest.json
observed 535ff3214aabf76c1f98c181f844d69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.065533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095568/publication.md
observed 5d440e50046d3ca7e7bb9821291c3c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.048301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095568/publication.txt
observed 26ebcd5f952fd49958170476a0bb722b...
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.