OpenTechnical

OT-2026-000076519

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000076519) never changes.

Identity and time

Publication numberOT-2026-000076519 · never reused
Internal UUID01a0ae94-6a71-7518-ac8e-f762ca978735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076519
StatusPUBLIC

Content hashes

Canonical text1cdd852087ce092bbaacce0f66763e1e580498e4831e84f7177fa063950bbe03
Markdown71d6b6c2ca8f8260de01007f688836690ce8b2bb0f4078e4013ab9e43d6f19d1
PDF
Publication pagea4d71164b96bc75246dde9dc674f759b762a528709a9c107236cae9d28bf3cfa
Manifestbef0e22d9e4f0caaffbdc8cc94b90b693d83b20c5094f5cd6775a2621c7ba70f

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
SignaturezCYOmuSCAS1nDosKrDd6UGivkMjelEdDW3mgCB28E7FM+e7B17KSPXjy7rzVXgpPs1BeqfXyXL4VeYQSbtR0AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:12:50.524439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076519
observed a4d71164b96bc75246dde9dc674f759b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:50.504461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076519/manifest.json
observed bef0e22d9e4f0caaffbdc8cc94b90b69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:50.480931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076519/publication.md
observed 71d6b6c2ca8f8260de01007f68883669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:50.458405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076519/publication.txt
observed 1cdd852087ce092bbaacce0f66763e1e...
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.