OpenTechnical

OT-2026-000061991

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold 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-2026-000061991) never changes.

Identity and time

Publication numberOT-2026-000061991 · never reused
Internal UUID01a0ae8b-b8ae-79a2-bca2-fd7401c21c7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061991
StatusPUBLIC

Content hashes

Canonical text842bacd8b328227237dd43b35b0ac1cbbf749ddd0e595d3b560ae3e335be514f
Markdown4d9a92bce63e63450627d4a0d18bd8ff01fb3501526ef57f45736d51158194c7
PDF
Publication page9b7ccb520da5061a72dac93d80b59c4be03709be2e4a1ff1f728f7863be38773
Manifest54fc0e407772aa2d6adda4294408b3b58fe17bb30059cd6247d6bf241fc65ce1

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
SignatureHwliTUEFfq63MySSlA8ZjYVvBKUbv5dhxjk80KzrQBUv7stRRmgXIjml6W7S6HyTIysTbXmE76YFqE4N86OWAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:55.288667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061991
observed 9b7ccb520da5061a72dac93d80b59c4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.261239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061991/manifest.json
observed 54fc0e407772aa2d6adda4294408b3b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.240057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061991/publication.md
observed 4d9a92bce63e63450627d4a0d18bd8ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.217601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061991/publication.txt
observed 842bacd8b328227237dd43b35b0ac1cb...
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.