OpenTechnical

OT-2026-000095720

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000095720) never changes.

Identity and time

Publication numberOT-2026-000095720 · never reused
Internal UUID01a0ae9f-fac5-7a71-ac47-2fb7d186c012 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095720
StatusPUBLIC

Content hashes

Canonical texta1abf1fa3cda9277f91e5ec8eff0127b938e6afe3b2feda51d88d0766fee5902
Markdownd467558f64c9e67c81d1c49549f5867739d59941e21e5ba96e8c03ee6405c7be
PDF
Publication page4ae77d0533ba64177a0096418f1677ef4303e510097d544baaa4979324e2fba6
Manifest4b4d78e68d6b5cccbfd4cac7c9622b3b1918525f2fafe904df42b510216851d1

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
SignatureY8aQYtqhe3R4SceJNk18KFoSCH0kuLseOoyL2MxbCZffYI18QuP05JJN4cA/IXaZiDOJa9IgiD0riSC1WbpNBg==
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

2026-09-17T09:35:16.694963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095720
observed 4ae77d0533ba64177a0096418f1677ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:16.675801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095720/manifest.json
observed 4b4d78e68d6b5cccbfd4cac7c9622b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:16.657843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095720/publication.md
observed d467558f64c9e67c81d1c49549f58677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:16.638949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095720/publication.txt
observed a1abf1fa3cda9277f91e5ec8eff0127b...
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.