OpenTechnical

OT-2026-000011934

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000011934) never changes.

Identity and time

Publication numberOT-2026-000011934 · never reused
Internal UUID01a0ae6d-1942-77c9-9f42-deef6425b4fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011934
StatusPUBLIC

Content hashes

Canonical text2b8f5ec8f664ac806ce79969643214641ae2e32b492ddefcafb42d55375aec65
Markdownabcf53e288d597c6a9519de16e7dbb2d0bf43ca37a6736ef1f65525767289609
PDF
Publication page5d9a49a654d4bf06dda3b08e97967bf6965b38a512e8d21155232707667e9b23
Manifesta53e9b087bdba37387eb77451c3ac87aab8df9f7eaa5c9f08176e3eace425db5

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
SignatureSB1IMb3+3whD4+NKUV96mGq2k6F3XT2AJcEdhIfQLPu2sFX+qF9PjipiZp0+2NtypbeauElhcD5IAgiRnYCOCw==
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

2026-09-17T12:12:42.303601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011934
observed 5d9a49a654d4bf06dda3b08e97967bf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:42.283429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011934/manifest.json
observed a53e9b087bdba37387eb77451c3ac87a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:42.263343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011934/publication.md
observed abcf53e288d597c6a9519de16e7dbb2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:42.244122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011934/publication.txt
observed 2b8f5ec8f664ac806ce7996964321464...
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.