OpenTechnical

OT-2026-000013157

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000013157) never changes.

Identity and time

Publication numberOT-2026-000013157 · never reused
Internal UUID01a0ae6d-6fc8-7e8b-8c68-ffbdff1ada8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013157
StatusPUBLIC

Content hashes

Canonical text11fe94c54ef32eba39b23b899e3e31af3aee15eb62ca79ae8ef59173bf8af2c1
Markdown3791d78faad91cbc2b5e51283e2a15982369b0a6eb7d60f2c8bce71cfcb05b76
PDF
Publication page368df4e286d9b2a0f60ff2c3d2502104a4ed20e662adfc862c280ea8c5aee38b
Manifest5835083045ae5a625068de0ebf2f8b21bc58cf55d56de156a116a0d055e72710

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
SignatureLWnjkOQVPziUJXv68YCQ/bUx7TXhTeTPFbQQBJnBe/Lg1ABOS8cuuFTicbVFQNelrTPhqCOH/teKy9MOI5RKBg==
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

2026-09-17T12:09:31.587976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013157
observed 368df4e286d9b2a0f60ff2c3d2502104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.569198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013157/manifest.json
observed 5835083045ae5a625068de0ebf2f8b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.548134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013157/publication.md
observed 3791d78faad91cbc2b5e51283e2a1598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.524875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013157/publication.txt
observed 11fe94c54ef32eba39b23b899e3e31af...
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.