OpenTechnical

OT-2026-000088210

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000088210) never changes.

Identity and time

Publication numberOT-2026-000088210 · never reused
Internal UUID01a0ae9b-1aa8-7ff3-866f-abedc3c3450b · 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-2026-000088210
StatusPUBLIC

Content hashes

Canonical text2f1ff253753c078d4943d2513084dae38f86e11b9d73545f83ebbd0c04107ea7
Markdown09cfb7b2c586cd6083de7438f02347947a4b4a1c27eee18653f875730c9bec15
PDF
Publication pagebcb703ef9ac7b170f6bf313ecac90355dc8b02f20387096e7601efdaed7ab538
Manifest92c4b802955da244e6e74b785f253b77506bac2db9a18cad7f14c2f1090322de

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
Signature2dJoUhbVYjtmq/ej13i7agtneR5YO2q20ol1dAlyEhS/u2yizG1Vbu6nWZontYD4npNbdQI1sSGv1RNi2SBaBg==
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

2026-09-17T09:50:17.388910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088210
observed bcb703ef9ac7b170f6bf313ecac90355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.371342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088210/manifest.json
observed 92c4b802955da244e6e74b785f253b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.351687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088210/publication.md
observed 09cfb7b2c586cd6083de7438f0234794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.333283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088210/publication.txt
observed 2f1ff253753c078d4943d2513084dae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.741787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088210
observed bcb703ef9ac7b170f6bf313ecac90355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.706102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088210/manifest.json
observed 92c4b802955da244e6e74b785f253b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.687302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088210/publication.md
observed 09cfb7b2c586cd6083de7438f0234794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.669818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088210/publication.txt
observed 2f1ff253753c078d4943d2513084dae3...
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.