OpenTechnical

OT-2026-000077698

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000077698) never changes.

Identity and time

Publication numberOT-2026-000077698 · never reused
Internal UUID01a0ae95-2ecf-70ea-af1c-9b30ee1772ff · 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-2026-000077698
StatusPUBLIC

Content hashes

Canonical textc28f4a8828ba5f016dd5055d630ee2982aef86040a8bdcd2a5984ab6f3b913d6
Markdownbf03b590a69135ddfa98128c733abb25dc1b96a1eabec36a8964e01c6fbae190
PDF
Publication pagee7dd46d0333c1123ce07aea2eacb63605230b102a26faf42272ec4909a65e634
Manifestca5944e31efe99475a089cfba313d2e01bbb253c519754ebe8354a459d8aea7c

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
SignatureYAqFkqIbgT8m6k3d/lSFRHTglkRYSlCW6RbIGBQu2ctpz2/1miWwIo5MZiT3e2zoA0ts89PzxAnZ9CfUYne3Bg==
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

2026-09-17T10:06:55.795721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077698
observed e7dd46d0333c1123ce07aea2eacb6360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.777406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077698/manifest.json
observed ca5944e31efe99475a089cfba313d2e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.758609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077698/publication.md
observed bf03b590a69135ddfa98128c733abb25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.740410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077698/publication.txt
observed c28f4a8828ba5f016dd5055d630ee298...
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.