OpenTechnical

OT-2026-000019999

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000019999) never changes.

Identity and time

Publication numberOT-2026-000019999 · never reused
Internal UUID01a0ae6f-1fb7-7df8-b133-9c74cd77d294 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019999
StatusPUBLIC

Content hashes

Canonical textebad648e227336b693d7c588ec685bb57dd252dc465ee207255a950f179fd832
Markdown90ee5bf9c15f7195dde2307bb780d2cbed6a95b42e32e7e44909a1738edb1a5b
PDF
Publication page0c9e21e7907a8af4878acfc3019ddab28f9ffd131aaab0cb9fb75a17e4671f6c
Manifest18d18b2848e3383db9f0bba37ce693d8b359512e0086b3896780436003745dd8

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
SignaturenaQ5dJj/422b1UlG0RuuSpgg8iZbrIoHNcRGEe3teRfR94MzfckCn6quqeW2rxFD0zLjxkR8LRgK5vas29yNCQ==
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

2026-09-17T11:58:14.667321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019999
observed 0c9e21e7907a8af4878acfc3019ddab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.649981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019999/manifest.json
observed 18d18b2848e3383db9f0bba37ce693d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.632798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019999/publication.md
observed 90ee5bf9c15f7195dde2307bb780d2cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.614802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019999/publication.txt
observed ebad648e227336b693d7c588ec685bb5...
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.