OpenTechnical

OT-2026-000005147

Publication integrity record

Vacuum cup gripper, ejector fed, pressure verified at each zone

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-2026-000005147) never changes.

Identity and time

Publication numberOT-2026-000005147 · never reused
Internal UUID01a0a92f-6147-7598-b5d1-bb863a5357bf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:47:29.738545Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005147
StatusPUBLIC

Content hashes

Canonical text734b93db7cfb5378c9cabf39e0b8934ec9aeca6e45d7ca4538e19bbb898daac8
Markdown1b2a949517a302e68411992c5a1caf6a353b1d4acafbec646834863638c7b56f
PDF
Publication page858225f9f6bfcb8afeb65945cf77ed40f94c270e13c52f6fe4869729bfd89daa
Manifestace2989f37c49cbaf29de0cf5f00ecfe71c27fe22863d6d0c53b04307117e190

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
SignatureXvqVOu3vBOGAAgAoNRcpTkDhtMvLWX0GVibsFRcU9hoTMW+mrHgI9fPeg40vJ4zcFI26o40nak5uxuKLmlG9Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:10.371468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005147
observed 858225f9f6bfcb8afeb65945cf77ed40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:10.238971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005147/manifest.json
observed ace2989f37c49cbaf29de0cf5f00ecfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:10.220650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005147/publication.md
observed 1b2a949517a302e68411992c5a1caf6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:10.206377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005147/publication.txt
observed 734b93db7cfb5378c9cabf39e0b8934e...
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.