OpenTechnical

OT-2026-000047567

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000047567) never changes.

Identity and time

Publication numberOT-2026-000047567 · never reused
Internal UUID01a0ae7f-3e59-776c-9cc0-d82c488c81b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047567
StatusPUBLIC

Content hashes

Canonical text820a93f8fdf06447d41bfc4d5d529eebb6cad3f72aea09c7e7019a7b06685097
Markdown7f0a901c8756d0a8d682ca37c262c348648f511f838ec452673b330fcf901e86
PDF
Publication page9941ae28f9ffa5b0a4e4b78d7c3869cc945da209f2c64a73d1179814b1a822bf
Manifest225e062db3dfb054496433f66a053408692ad14b31f70fe83be4861b3910ceb7

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
SignaturedeGex0k4+I365cDYT6CTuKaJsKNLgBuGYQSvq0ZMN1v9fR47r9uOrJtFNlAN3pwGai9YHHyjEW/XDuY1OYDZDA==
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

2026-09-17T11:06:41.510133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047567
observed 9941ae28f9ffa5b0a4e4b78d7c3869cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.493494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047567/manifest.json
observed 225e062db3dfb054496433f66a053408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.475728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047567/publication.md
observed 7f0a901c8756d0a8d682ca37c262c348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.459535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047567/publication.txt
observed 820a93f8fdf06447d41bfc4d5d529eeb...
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.