OpenTechnical

OT-2026-000007261

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, ejector fed, pressure verified, plastic cups, three fold

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-2026-000007261) never changes.

Identity and time

Publication numberOT-2026-000007261 · never reused
Internal UUID01a0a978-782c-75bf-ba73-6bd6f8c46430 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:07:19.727028Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007261
StatusPUBLIC

Content hashes

Canonical text41f4368121746fa9693ba01ce8ef43b05ed57c29afb289a8889ffd4fc497b09c
Markdown5ee72b9cb70b6d92ebad29fbe17dcf3387339019b851dc93f8d06c13a8be6388
PDF
Publication page03315281d6bbfbbcefbadabd7064eae70a7d4181714fc13ee9a8faba1b75c4a2
Manifest3480ff27a056123a171d9f72735924835167d1f6c46ffd56941ebc874a4e9761

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
Signaturevi2PqogfyK4PSRTW/oJev6s24ptQLZP8HZXWPQJNRx+qWH38oDO62ogxVZV2P7Wn05O4mE5haMYun8Ly5x4HDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:10.414764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007261
observed 03315281d6bbfbbcefbadabd7064eae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:10.400861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007261/manifest.json
observed 3480ff27a056123a171d9f7273592483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:10.388395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007261/publication.md
observed 5ee72b9cb70b6d92ebad29fbe17dcf33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:10.256252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007261/publication.txt
observed 41f4368121746fa9693ba01ce8ef43b0...
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.