OpenTechnical

OT-2026-000088268

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000088268) never changes.

Identity and time

Publication numberOT-2026-000088268 · never reused
Internal UUID01a0ae9b-5d26-7bfb-8975-838cc4592d6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088268
StatusPUBLIC

Content hashes

Canonical textc4a079d72d20ce2aa82bc5c7159fe27e9d107691f81311b858d7df2558720c06
Markdown1b71b746695b495e1bd5b072f2c4250bf5a52dff00d9e61934da7abbfd519b70
PDF
Publication page3f07188b7480de7da05e935ca87a7b4c268db9c969ad9fc6c412f9cbbd1070c3
Manifest5a27d77dddcdbad3b95b228f54f9c1a08ca3c4544c0ee92a03ffd187512a3c41

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
Signature2G+D+5ybPne2vl308LBnq3EqXOnXsm+ryihZvIIp+uPOILG1AF4xsbFbU74VHIJHaugF3tutVzdMPp3jy2s2Dg==
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

2026-09-17T09:48:34.561628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088268
observed 3f07188b7480de7da05e935ca87a7b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.544326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088268/manifest.json
observed 5a27d77dddcdbad3b95b228f54f9c1a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.527203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088268/publication.md
observed 1b71b746695b495e1bd5b072f2c4250b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.510114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088268/publication.txt
observed c4a079d72d20ce2aa82bc5c7159fe27e...
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.