OpenTechnical

OT-2026-000054299

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000054299) never changes.

Identity and time

Publication numberOT-2026-000054299 · never reused
Internal UUID01a0ae85-b3a9-79c1-adef-07c311bff41b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054299
StatusPUBLIC

Content hashes

Canonical text95e09f48533c717cc3aed3368be6fa258d8e42ff7987ad6a84f7ada573698345
Markdown61e4e66ff01392e62a35f700e151fa13179bdeaff6760bfc8f6e3ae6df61a7f2
PDF
Publication page078c956e4eb8862b1f0487c68d2f874679b77814300b95ec3ad50699d840ad7e
Manifest9881009773433de801a2891bfaf16776885c554bc40fb8bdc8e16985dce432f9

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
SignaturehqbDpDr5LUz8vskjU4mvZB3nlhnC+pdjujqkPd1Y3vt2aWCYYSRr//3lpu3a9t15RSCtt1D9EqzoEN1KAhMFCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:47.987249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054299
observed 078c956e4eb8862b1f0487c68d2f8746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:47.968886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054299/manifest.json
observed 9881009773433de801a2891bfaf16776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:47.949709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054299/publication.md
observed 61e4e66ff01392e62a35f700e151fa13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:47.931208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054299/publication.txt
observed 95e09f48533c717cc3aed3368be6fa25...
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.