OpenTechnical

OT-2026-000077625

Publication integrity record

Two 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-2026-000077625) never changes.

Identity and time

Publication numberOT-2026-000077625 · never reused
Internal UUID01a0ae95-2ece-742f-a5c8-b39701a0e607 · 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-2026-000077625
StatusPUBLIC

Content hashes

Canonical text1924c41170a98cbfbc546e8d147ce7850b1b8044a19a5c9d0b4256e8ee516a9c
Markdown5a41950d9bd2e068ca814e3f123f63609e283d61977f0f1a6933108ddb967e4f
PDF
Publication pagef8f0f9b254fb695bc3b7f4459f6abc0429ea12cb17a3c75027985c4bdfca33bf
Manifest8f2466e5aa6d4eea1b7c5cffc35bda0fb2adef859c6b54b15aff66d2b2efada7

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
SignatureX3M3f+unhTEpFeVePAA4F8fGcXItfA3U7dwALgFDSnO8eH6Pos7zbZMMQgj5MvpHkofXT9FuTgvCkTX1mUvnAg==
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

2026-09-17T10:07:11.238797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077625
observed f8f0f9b254fb695bc3b7f4459f6abc04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.221075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077625/manifest.json
observed 8f2466e5aa6d4eea1b7c5cffc35bda0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.203715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077625/publication.md
observed 5a41950d9bd2e068ca814e3f123f6360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.184603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077625/publication.txt
observed 1924c41170a98cbfbc546e8d147ce785...
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.