OpenTechnical

OT-2026-000008040

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000008040) never changes.

Identity and time

Publication numberOT-2026-000008040 · never reused
Internal UUID01a0ae6a-908b-7f69-931e-7302d7ccb713 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008040
StatusPUBLIC

Content hashes

Canonical text7b182c5eb87dc65e4025a5c8f49ee23cd961c0f08e7cec809338cd8f9464ac54
Markdown4a8c374c61de15003a15783e414f92d72d0cf29a57614330e8969f7383f8e933
PDF
Publication page8800cee25b2bc37ea6934ebe8918c8684da2f4ba67228dd58176130cc53d0eb9
Manifest887c08b38572643c88db1fc3e1150eb4204caee0a427bc1391db15136fd2bd62

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
Signatureo+WboNFS/DRevoB95Lys8Kq4AOlO6bfuvFyjt54piLfi4iM/uedejpMbCoZigORb42itc7KfaO5UBkdSRAUxBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:37.892739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008040
observed 8800cee25b2bc37ea6934ebe8918c868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.875378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008040/manifest.json
observed 887c08b38572643c88db1fc3e1150eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.856821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008040/publication.md
observed 4a8c374c61de15003a15783e414f92d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.837215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008040/publication.txt
observed 7b182c5eb87dc65e4025a5c8f49ee23c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.772653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008040
observed 8800cee25b2bc37ea6934ebe8918c868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.755685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008040/manifest.json
observed 887c08b38572643c88db1fc3e1150eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.737354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008040/publication.md
observed 4a8c374c61de15003a15783e414f92d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.716888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008040/publication.txt
observed 7b182c5eb87dc65e4025a5c8f49ee23c...
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.