OpenTechnical

OT-2026-000025999

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three 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-2026-000025999) never changes.

Identity and time

Publication numberOT-2026-000025999 · never reused
Internal UUID01a0ae71-a83f-74df-96c4-2194dd54a47e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025999
StatusPUBLIC

Content hashes

Canonical text1997fae6823209c3a89d1fa1668b5c4ec6d132e56d3505843537463aaf506a23
Markdown900b4eec292a50214170a7dc9711f4904d8dadfdfac5692eaf8fe7a7e7b39928
PDF
Publication pageceb01f45859c0ec64af6787edc8af0b04e36d1ac721d545fdc309b685c97b030
Manifestac81138d3b4a2cb3aa1b2be463a332f96839960f0a51782c2dd683189474f08e

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
SignaturekrpVG7Xcc1Ntd2/I6lVPYa+h5hK1aXVwRNtzacaIJoAmRppdqweYT5Fj/wQXiepStg9PlSGifNFs4CI7jg6TCA==
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

2026-09-17T11:46:22.491024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025999
observed ceb01f45859c0ec64af6787edc8af0b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.475704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025999/manifest.json
observed ac81138d3b4a2cb3aa1b2be463a332f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.457108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025999/publication.md
observed 900b4eec292a50214170a7dc9711f490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.435913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025999/publication.txt
observed 1997fae6823209c3a89d1fa1668b5c4e...
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.