OpenTechnical

OT-2026-000099802

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000099802) never changes.

Identity and time

Publication numberOT-2026-000099802 · never reused
Internal UUID01a0aea2-c978-790d-9eb4-994a24147017 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099802
StatusPUBLIC

Content hashes

Canonical text7646b15a659653b04c325990c61249afc4be197cba5dbc6db7d491041cae0fd0
Markdown8efe073f145eddb689aad22bcb235360ba85bf7a84513c693dd39faafc074e7a
PDF
Publication pagea6c3cd2edb7b38cd2df681d8f2b7c2123afcfc354a8cb10672627d2fdb86d6bc
Manifest861be769a6e198f177aecf3f9f779649667c1ef6f102dd6916631d439361a123

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
SignatureXbYiNGHioQOKxAkT8AJ0q2se+3nlvkEB3qmieGL4kcZe3Hpi6/YWPxtPwATv3dBbyCgL3nk5n4khyfhSjuaTCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:50.404960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099802
observed a6c3cd2edb7b38cd2df681d8f2b7c212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.389002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099802/manifest.json
observed 861be769a6e198f177aecf3f9f779649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.373210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099802/publication.md
observed 8efe073f145eddb689aad22bcb235360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.357702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099802/publication.txt
observed 7646b15a659653b04c325990c61249af...
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.