OpenTechnical

OT-2026-000088338

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

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-2026-000088338) never changes.

Identity and time

Publication numberOT-2026-000088338 · never reused
Internal UUID01a0ae9b-5d27-707c-bc28-40240d5ec124 · 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-2026-000088338
StatusPUBLIC

Content hashes

Canonical text33de968ce21a54f68f6341a2a8ac8ef81fedb9a2f0711fa934efa19180c02fbc
Markdownc80ad3b642582981c9a3320b6535489e737946fb19bcdaf596f60864b19d3f96
PDF
Publication page2612853252fe5c414ba512b0be9742a798aad65fae66b0099c632f6c5e40911f
Manifest7c5e3d8f73e72af82e2e7dfe85f880c239e31e19ac04905f64c6ad0fa2f45afd

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
SignatureNFFfxWtMmg/7nVMxqzeQoksb6vLCHDDHN+64UuvTFL+GDm0hFFzzzNjBbdb3tIujdRrpBS0RWnkGN/rc6ehKBw==
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

2026-09-17T09:48:40.502044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088338
observed 2612853252fe5c414ba512b0be9742a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.483718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088338/manifest.json
observed 7c5e3d8f73e72af82e2e7dfe85f880c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.464361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088338/publication.md
observed c80ad3b642582981c9a3320b6535489e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.447322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088338/publication.txt
observed 33de968ce21a54f68f6341a2a8ac8ef8...
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.