OpenTechnical

OT-2026-000077932

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented 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-2026-000077932) never changes.

Identity and time

Publication numberOT-2026-000077932 · never reused
Internal UUID01a0ae95-2ed1-7127-87c9-df7def851f8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077932
StatusPUBLIC

Content hashes

Canonical textcac52f172e4647c761e89f9f161ec5805a4fa6b6ab27434c918c24320791b05f
Markdownbb048b4dbf5ecaf603f42e08e80c8f216ae31487b67d58c0152c6f53f391583e
PDF
Publication page358e07f0c381465ec8e080eeb81ff2cdba8a41925e9aef951892961c19d73e36
Manifest6097033f296b8b8552139d59442b2d38dce4a349487f44a7bd08d33f46818166

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
Signature1JHYTvUq7n1Zp22slf/nT2Twcar5yzepBCNRD8oZ2/cC/52jM4EMTdFiC9H7XVJjG+7pRtIkCCdUAeUszOhKDQ==
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

2026-09-17T10:06:59.236845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077932
observed 358e07f0c381465ec8e080eeb81ff2cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:59.218671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077932/manifest.json
observed 6097033f296b8b8552139d59442b2d38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:59.197712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077932/publication.md
observed bb048b4dbf5ecaf603f42e08e80c8f21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:59.174792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077932/publication.txt
observed cac52f172e4647c761e89f9f161ec580...
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.