OpenTechnical

OT-2026-000081573

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000081573) never changes.

Identity and time

Publication numberOT-2026-000081573 · never reused
Internal UUID01a0ae97-0f71-70d1-b450-95bc7c4884ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081573
StatusPUBLIC

Content hashes

Canonical textee24ccccf7e29b6b02e22558107286fea14191fe56e2ace2dbaf718abf6afbaf
Markdowncd52f5505f04d88c70331dbccf10d5d7baed23f560d42ed5e73a39428c3a15f0
PDF
Publication pagedac6b82eb11d784239982fc1ba03c725bf2bf9f6de0e1ef4a6f8aae55c0d3415
Manifest97ca59954f82614548887f327ba72a03c84c6dd64c1caadbf1453902c144fca3

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
SignatureJoBtvSfsdftR4LJWlm0/P6FQlkScgaSXDhGrv4PyKf0ApIXd/0gJHBFXG44+HwYQOlUgHi32nU0EV6ONnuVfDA==
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

2026-09-17T09:59:36.246014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081573
observed dac6b82eb11d784239982fc1ba03c725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.228743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081573/manifest.json
observed 97ca59954f82614548887f327ba72a03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.211994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081573/publication.md
observed cd52f5505f04d88c70331dbccf10d5d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.196370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081573/publication.txt
observed ee24ccccf7e29b6b02e22558107286fe...
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.