OpenTechnical

OT-2026-000045232

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, pulsed blow-off after 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-2026-000045232) never changes.

Identity and time

Publication numberOT-2026-000045232 · never reused
Internal UUID01a0ae7c-f76a-7558-a719-7a348a2fba81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045232
StatusPUBLIC

Content hashes

Canonical text550d99a9f52d57f8d614959f775e6ce231d7e8c502cf681404254a5481a2c83b
Markdown7c0b702768698cfe9b8c1c3b6cf3fb064d6c6f8e2399e5992b2ab6994d21f1ce
PDF
Publication page580d736b9b8f29919ded8b2449a1593e80faf5782bf384628aa01de5ead244bf
Manifestde14a0193a200d1a9ce3355013d26f04a7a23805ee74e26108be4e9579d27be5

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
SignaturezTJ5vSGyhLvGxUTrIHP6B6E4CySG2wOuO6CrYBa0FkrzeZEkpwUjslfY68MUbcV2x6uJ3DOtWa8GW+rpYMd6CA==
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

2026-09-17T11:10:25.700388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045232
observed 580d736b9b8f29919ded8b2449a1593e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.681783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045232/manifest.json
observed de14a0193a200d1a9ce3355013d26f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.663430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045232/publication.md
observed 7c0b702768698cfe9b8c1c3b6cf3fb06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:25.644925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045232/publication.txt
observed 550d99a9f52d57f8d614959f775e6ce2...
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.