OpenTechnical

OT-2026-000027544

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained blow-off before 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-2026-000027544) never changes.

Identity and time

Publication numberOT-2026-000027544 · never reused
Internal UUID01a0ae72-6999-77a2-9731-b65f65dfd448 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027544
StatusPUBLIC

Content hashes

Canonical text8a9405561877783fd6977efb92c19164633f64499a5ea084523f8430043453b8
Markdownaf77f56a7e78110547f6ac76c70ccb8c88f5a74d2ec83398a972a56bd5b18b61
PDF
Publication page9f3b5e5e115981f2007e26fc31370129a80d7719e7c1f9f13611151ac156390d
Manifest445058f287cfa3c37792bc718a65bafc564b769402a8451879f73d646b945586

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
Signature3B9+bLcgUOxi4xMYuXB3FPBp9KNzmObiYfZhxGniy27zZeKaS10fpjWu4tOZExYshsvdOH8do+oxM6OmogKvAw==
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

2026-09-17T11:43:01.487125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027544
observed 9f3b5e5e115981f2007e26fc31370129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.467503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027544/manifest.json
observed 445058f287cfa3c37792bc718a65bafc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.450035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027544/publication.md
observed af77f56a7e78110547f6ac76c70ccb8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.432305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027544/publication.txt
observed 8a9405561877783fd6977efb92c19164...
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.