OpenTechnical

OT-2026-000088194

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three 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-2026-000088194) never changes.

Identity and time

Publication numberOT-2026-000088194 · never reused
Internal UUID01a0ae9b-1aa8-7fd6-b19c-468e78bcba60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088194
StatusPUBLIC

Content hashes

Canonical textfdf76ee018131884b2960258ee69764179485b65d8ae02b5aa1526ee8a27e06d
Markdown62811e699cfc83de48b39a02c9982857974b10ef6432c1870174f8351338f644
PDF
Publication page49ece54e95ef7fe16d721e221e17c2c23590c046964f0b5b4114290b22e560fe
Manifestbe9859f4ceb9eebb3b46b9bc6ce3d648281dd5f3549b796caa7e1559ed4fcbed

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
Signaturem94mzes1yhu3pvrXSMh3DELoIPIiB892AutyN3O+Y7NckLNiB3RcYo+3AWkr2gBwr3v+FXKEKXzpwm6dY0r1DQ==
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

2026-09-17T09:50:16.071839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088194
observed 49ece54e95ef7fe16d721e221e17c2c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.052835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088194/manifest.json
observed be9859f4ceb9eebb3b46b9bc6ce3d648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.035037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088194/publication.md
observed 62811e699cfc83de48b39a02c9982857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.014992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088194/publication.txt
observed fdf76ee018131884b2960258ee697641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.531729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088194
observed 49ece54e95ef7fe16d721e221e17c2c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.513902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088194/manifest.json
observed be9859f4ceb9eebb3b46b9bc6ce3d648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.493721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088194/publication.md
observed 62811e699cfc83de48b39a02c9982857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.473540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088194/publication.txt
observed fdf76ee018131884b2960258ee697641...
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.