OpenTechnical

OT-2026-000084522

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000084522) never changes.

Identity and time

Publication numberOT-2026-000084522 · never reused
Internal UUID01a0ae98-e25a-7a8b-a636-c6e467456314 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084522
StatusPUBLIC

Content hashes

Canonical text054d7ec7b80ea71f6106656b57a68fb103896bccb87f9085c97277f496080ac9
Markdown3a97940de947a4f11ce99c16ad985e1d30b04e20a5d7e68253386c32569eefc6
PDF
Publication page75382f256b7949dddfa0f9608b03820a726ea94455f86440e039e184b260b0d6
Manifestc701bc59ef96004864776fca4ad50f8505f6714c1965eb63a4414e8296004cf0

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
Signaturej/3d+PR4qzKzGQpF1X39gFqtyRKNekMwjXtbbzr2aqCuiu08ogy+WOKcd0vAM/VdPjEe5SguiZurCuIOKEkaAw==
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

2026-09-17T09:55:24.208193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084522
observed 75382f256b7949dddfa0f9608b03820a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:24.190027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084522/manifest.json
observed c701bc59ef96004864776fca4ad50f85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:24.170866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084522/publication.md
observed 3a97940de947a4f11ce99c16ad985e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:24.150236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084522/publication.txt
observed 054d7ec7b80ea71f6106656b57a68fb1...
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.