OpenTechnical

OT-2026-000073601

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000073601) never changes.

Identity and time

Publication numberOT-2026-000073601 · never reused
Internal UUID01a0ae92-efb9-7efb-bba2-4eafea0dc5ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073601
StatusPUBLIC

Content hashes

Canonical texta7614f37efa48c9aea638b7b89b54f02384f3f0452633b88234d115788732d02
Markdownbd84ad3851eecbf95743819eba1ee34b73588f79cd54768c423c50fc8909558d
PDF
Publication pagef0439b9fafa2e1172d206b4e9b6a7950ba638c63cd4d9eaa71b375972522db4e
Manifest9bee4b25e50d20635f01e6a0e333583d8b0e9acc089ddaea66d26f4815e2c52b

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
SignaturecMRxVz1hJCKzJLNauo8TOD8L25DQKI2N9vrYJznkNcq+3VHbncndJRt7VFEQKLRiiJW4tKtQdcM6z91R+5T8BA==
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

2026-09-17T10:21:47.036398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073601
observed f0439b9fafa2e1172d206b4e9b6a7950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.017925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073601/manifest.json
observed 9bee4b25e50d20635f01e6a0e333583d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.998966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073601/publication.md
observed bd84ad3851eecbf95743819eba1ee34b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.979797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073601/publication.txt
observed a7614f37efa48c9aea638b7b89b54f02...
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.