OpenTechnical

OT-2026-000088237

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000088237) never changes.

Identity and time

Publication numberOT-2026-000088237 · never reused
Internal UUID01a0ae9b-1aa9-7491-832c-1cee1694a314 · 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-2026-000088237
StatusPUBLIC

Content hashes

Canonical text46335fe017eeb6bee64da86930ed8a8add3a7ac492251b7a5da412b74f18199e
Markdown92e5f66ffa6baacbf4d44afd1ca23e2114086be061a75065dfc657bb842dd80a
PDF
Publication pagec7bfbc317a0cc22bf5c972387de8383318d8da0a8e70a265c4db03f1e0aba0c1
Manifeste6de373b46cf2ab790e9ae25a11ced894a089fcfcf2ed097aff92a049673232f

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
SignatureSTLkvS+DACTOY2z7VqZAXXawpPVVL3cuIdu31nx6kFpDm93B3K+DzUuCrKd4XklmDVwpFsLT112zRa0SQhu3Dw==
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

2026-09-17T09:50:20.408149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088237
observed c7bfbc317a0cc22bf5c972387de83833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.389625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088237/manifest.json
observed e6de373b46cf2ab790e9ae25a11ced89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.372006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088237/publication.md
observed 92e5f66ffa6baacbf4d44afd1ca23e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.353252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088237/publication.txt
observed 46335fe017eeb6bee64da86930ed8a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.009829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088237
observed c7bfbc317a0cc22bf5c972387de83833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.992475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088237/manifest.json
observed e6de373b46cf2ab790e9ae25a11ced89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.975536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088237/publication.md
observed 92e5f66ffa6baacbf4d44afd1ca23e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.958632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088237/publication.txt
observed 46335fe017eeb6bee64da86930ed8a8a...
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.