OpenTechnical

OT-2026-000033134

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000033134) never changes.

Identity and time

Publication numberOT-2026-000033134 · never reused
Internal UUID01a0ae75-4844-739c-a6bf-d166c73225bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033134
StatusPUBLIC

Content hashes

Canonical text7ebd3fea165404cecb5e7a8f82270a058bec79f2e7bb9d378cd8108265e6306e
Markdown24bbbb1365511fb020d9c63449deed512e445959bc1c607b7415ebdd45b474f8
PDF
Publication page6525cec89abb161055e626260baca6b8373aff5e4fbe233ad077957f822c9d49
Manifestda526c215e38a4723096620c99a222a618cc0270686e4fe2081f68b157bbd338

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
SignaturenFzrw0LtyR7ZazDtJzpZaecSCX5Cd110j2NSkqV7u6KPHi5XGIdU7lBoNorl7h2j0u2n40Mtf4obEIU+uSW7DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:48.975326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033134
observed 6525cec89abb161055e626260baca6b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:48.954821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033134/manifest.json
observed da526c215e38a4723096620c99a222a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:48.935856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033134/publication.md
observed 24bbbb1365511fb020d9c63449deed51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:48.917309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033134/publication.txt
observed 7ebd3fea165404cecb5e7a8f82270a05...
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.