OpenTechnical

OT-2026-000032983

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000032983) never changes.

Identity and time

Publication numberOT-2026-000032983 · never reused
Internal UUID01a0ae75-4843-7c16-a9b7-dae9e1e9fdc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032983
StatusPUBLIC

Content hashes

Canonical text7a29daa4aea05f863ee8c1cede366933e023404a554cacbf4a7c24f1c7ec93e4
Markdownb6a0c2ed97ced0c5f995675f9c85437755dc1506d23f34a75b1f159043cd8468
PDF
Publication pagec8262f5d34cd3860c8a9e29954239381a1d083b0ca6efeadeb5e5d1d0487cd81
Manifestb9d1c852e21f0114525aae20b7938aab6d1ced6feb257e88f00bfcab25ea506c

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
SignatureosHM0bSUTcjDDPdCCm1N/Wkejqz/LaQRlHPV3ARjkfuLy9AvAPuGKCUmSbonql64v3sSxtVsH1tPNZa7nBcDCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:35.779709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032983
observed c8262f5d34cd3860c8a9e29954239381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.761560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032983/manifest.json
observed b9d1c852e21f0114525aae20b7938aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.743959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032983/publication.md
observed b6a0c2ed97ced0c5f995675f9c854377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.724367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032983/publication.txt
observed 7a29daa4aea05f863ee8c1cede366933...
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.