OpenTechnical

OT-2026-000005303

Publication integrity record

Bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure verified

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-2026-000005303) never changes.

Identity and time

Publication numberOT-2026-000005303 · never reused
Internal UUID01a0a934-cccb-7e4d-bc9c-8f60b2b54a53 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:53:24.942126Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005303
StatusPUBLIC

Content hashes

Canonical text89d73a244172296ae6c9e904ac497ca4d0327760f1511a180a0ba15e17e01f76
Markdown7d052d26a3a104ec834ee879010c1a8792e81bc9d7a21333a30071247fc4f041
PDF
Publication pagefd48aeadf46d033c5fd32990fff1d18882ef177fe6829391e9746cc19649da43
Manifest7a0e7e42d6098ae94932dd169d9113c3b659856d8b3c6d29a6bf35a0dc2c0d76

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
SignaturevE4blwanuBZuHDAD5ly/as+vid587VdPCq7jPiEHJeUdtQPo5shIB5CmP4331kdNllCMJe2lqTUy1hUrUVKCCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:24.898137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005303
observed fd48aeadf46d033c5fd32990fff1d188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:24.885369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005303/manifest.json
observed 7a0e7e42d6098ae94932dd169d9113c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:24.872040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005303/publication.md
observed 7d052d26a3a104ec834ee879010c1a87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:24.736480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005303/publication.txt
observed 89d73a244172296ae6c9e904ac497ca4...
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.