OpenTechnical

OT-2026-000077599

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000077599) never changes.

Identity and time

Publication numberOT-2026-000077599 · never reused
Internal UUID01a0ae95-2ece-7922-a1a9-7289127daecc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077599
StatusPUBLIC

Content hashes

Canonical textc98f5f53da836f96160eaa32cdf10c1ec80f5f1920ac46aa2d140a2f11adb1da
Markdown965d0af8d25a1ab248758466d3090eb57576642a9a2f5425065d144e4b527324
PDF
Publication page2f6c269bfbd6fd1c10fb442108d8390fa0b443ff9d8b3a5258aed36014557fe2
Manifest24470b007c94e5ee82407de5827cc57fbfeb71c87cd604546783b2e56dc9cac6

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
SignatureHGw4XF4A2N9kwcIkj/MLBMmippJaA11rGdA/stPOFlCujQO6XliWrFd7h125+UnZsm5003oVH6+sT5z95FWkAQ==
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

2026-09-17T10:07:09.324136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077599
observed 2f6c269bfbd6fd1c10fb442108d8390f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.303346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077599/manifest.json
observed 24470b007c94e5ee82407de5827cc57f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.280477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077599/publication.md
observed 965d0af8d25a1ab248758466d3090eb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.257156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077599/publication.txt
observed c98f5f53da836f96160eaa32cdf10c1e...
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.