OpenTechnical

OT-2026-000098791

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000098791) never changes.

Identity and time

Publication numberOT-2026-000098791 · never reused
Internal UUID01a0aea2-42af-74f3-9cd8-7c6ced995b3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098791
StatusPUBLIC

Content hashes

Canonical text9927be7c712457cebcb8baa07a298c8c986eb58edd0ff036bb0f0d4fd65bf8c2
Markdowncf6612091b69c0644ca941a352fb1029aace23bfb7612e0b67282463df127fcf
PDF
Publication paged8c08eb3542b3d59b17ac0ab3ef968496c51f6989fa8d7f378211b8070a2c9e1
Manifestd0f39e58257c5e4a749b641d09ce0df1c3676b039b470bbae9e37d990697d7e0

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
SignatureMPgz13cn6H5fX3m2IXSQXXEBNptNXnbcGj9WR0mAiRBRjvaJhf4XqQLSOR3UcWKA+cS3tcRIN7fnzKC+RO2KCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:07.093699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098791
observed d8c08eb3542b3d59b17ac0ab3ef96849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:07.075580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098791/manifest.json
observed d0f39e58257c5e4a749b641d09ce0df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:07.056663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098791/publication.md
observed cf6612091b69c0644ca941a352fb1029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:07.037798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098791/publication.txt
observed 9927be7c712457cebcb8baa07a298c8c...
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.