OpenTechnical

OT-2026-000088232

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000088232) never changes.

Identity and time

Publication numberOT-2026-000088232 · never reused
Internal UUID01a0ae9b-1aa9-7090-9d95-4ef507ffbed7 · 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-2026-000088232
StatusPUBLIC

Content hashes

Canonical textd98ccf50a7120255692f14ce38351e5e1f85857697adfeb22a3a2987abeac056
Markdown7d112277e27704dca2a8aed97e517e82a7881011f27b5f7febf00c4882a9e813
PDF
Publication pagee56de68eb1b645b55a2ec401a3550fe64c743f238c2611bcf06860757e359e1d
Manifest880027e8a19f8651c7bdf955440345b11c8b68467197c24382731ad74c2912ae

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
SignatureJgYvNBfXxaGeB0tRn3x3kRk4LRlmKxbnuil4c0EvS452rgRcB4UE4kb59OUk8Yvx/jj2QQMvOSmSnJF/C3EBAg==
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

2026-09-17T09:50:20.015239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088232
observed e56de68eb1b645b55a2ec401a3550fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.999043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088232/manifest.json
observed 880027e8a19f8651c7bdf955440345b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.981274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088232/publication.md
observed 7d112277e27704dca2a8aed97e517e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.964634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088232/publication.txt
observed d98ccf50a7120255692f14ce38351e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.612703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088232
observed e56de68eb1b645b55a2ec401a3550fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.594609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088232/manifest.json
observed 880027e8a19f8651c7bdf955440345b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.574533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088232/publication.md
observed 7d112277e27704dca2a8aed97e517e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.554444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088232/publication.txt
observed d98ccf50a7120255692f14ce38351e5e...
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.