OpenTechnical

OT-2026-000088337

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-2026-000088337) never changes.

Identity and time

Publication numberOT-2026-000088337 · never reused
Internal UUID01a0ae9b-5d27-7007-92ae-4a94f0f1ad71 · 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-2026-000088337
StatusPUBLIC

Content hashes

Canonical text6abe108f214fe95cd2683f5b8f09e900a2ef7e2c87572eb97181e55e962bf943
Markdown4cfac8660d948225630e268ba33b087ed8743cceb2ec960e1111a81614d27613
PDF
Publication pageaa6a2649a9d5d97f93dd7cc76ed407ae5031cd3c6a841743336f08cade0d03a9
Manifestb85a1f24ffa76c24435f2ffd8b51c495c393726bf0b2e9fb86c8913ce31a5b6d

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
Signatureazz/qGBChmH8ZmGera/ySsxRaqdbPwnWGBTo+NLSee3LPBmP97gZcnZkrZvF3pJ8BEkQ01T/LZpZGP7fBoDPCA==
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

2026-09-17T09:48:40.427099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088337
observed aa6a2649a9d5d97f93dd7cc76ed407ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.408740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088337/manifest.json
observed b85a1f24ffa76c24435f2ffd8b51c495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.390541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088337/publication.md
observed 4cfac8660d948225630e268ba33b087e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.373687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088337/publication.txt
observed 6abe108f214fe95cd2683f5b8f09e900...
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.