OpenTechnical

OT-2026-000079183

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000079183) never changes.

Identity and time

Publication numberOT-2026-000079183 · never reused
Internal UUID01a0ae96-0b8f-7a37-a0de-3b0d5b2e7b7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079183
StatusPUBLIC

Content hashes

Canonical text25f43526b401fe7f2ecdd005a91119a7c7b3ab5493cebf41fd57c92277fb6c62
Markdown8b696953d9dac9e8c2b455cbfd9650772bdbed2edebe4a4bcaf9321290338f03
PDF
Publication page80f63976522fe8fe5e89ed29e52ee354c6efd3f984353cc3375908d8ef7fad71
Manifest3cb41fd9c3152876574a53c812e5e99e575cf6f1c91e074c4d83009a32f43b1e

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
Signature6ONH/oqWRHUYySxCLa0wES1lIWvUZjFFWoZAT3Vehtib3Zq9NIzcOv+Mj1DAXAAuoV4kbH0e1+00wr5mxpo5Dg==
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

2026-09-17T10:04:46.534118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079183
observed 80f63976522fe8fe5e89ed29e52ee354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:46.516807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079183/manifest.json
observed 3cb41fd9c3152876574a53c812e5e99e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:46.498344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079183/publication.md
observed 8b696953d9dac9e8c2b455cbfd965077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:46.481148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079183/publication.txt
observed 25f43526b401fe7f2ecdd005a91119a7...
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.