OpenTechnical

OT-2026-000073055

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000073055) never changes.

Identity and time

Publication numberOT-2026-000073055 · never reused
Internal UUID01a0ae92-c816-7c98-8bf9-ebd282cc8c47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073055
StatusPUBLIC

Content hashes

Canonical text6dcf3045a6d628ac288d432d3e86a9a025ba5a9a25d7b732b91963af41e04ce9
Markdownd94ed8f2ed37feee1b588039a4d4649658c519210cb1ff968bd266910ef0b6db
PDF
Publication page83a33d520178c94c6871bde3ad0eaf2a1aceae71a9cc17bd6a32addbc56eb66d
Manifestb77d54ea1da9d80c5198176662d8836250699baa7c550a5b6b9e44a7dfb7ecfb

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
SignatureR340AhSaD6d3qM332rYL2uSsDl3NpD1BSqretZzQArWy5Xt5Jj9NllrPBRji4hgQHGnWd5A4LubaZEZVKRh3Cg==
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

2026-09-17T10:22:00.046894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073055
observed 83a33d520178c94c6871bde3ad0eaf2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.028331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073055/manifest.json
observed b77d54ea1da9d80c5198176662d88362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.010316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073055/publication.md
observed d94ed8f2ed37feee1b588039a4d46496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.993435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073055/publication.txt
observed 6dcf3045a6d628ac288d432d3e86a9a0...
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.