OpenTechnical

OT-2026-000053371

Publication integrity record

Four cup vacuum gripper, four zone face, two 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-2026-000053371) never changes.

Identity and time

Publication numberOT-2026-000053371 · never reused
Internal UUID01a0ae85-0a8f-79b0-b708-5dd3126a8b58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053371
StatusPUBLIC

Content hashes

Canonical textdb8543df7193bbee893aea659173411972abd4289bba0f74268a04ffb1e2ab5c
Markdownc67e13a2a6e9e4518b0d3dd053c336cb0f1f64a9018dfb782edc167ae0832fbe
PDF
Publication page92abaa5c2ea7cee86177b9b3f06018fa0af070ff8702d08a7a2e53dcde12e9bb
Manifest213d9b99b6eebb78ba3b52018c3dfcbdec9aa6441a457f6c01531dfa87088928

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
SignatureuBHDuX132aYGAvYYGVf2mR/S/LjaCOVIk1QmtBaAqpQIdbGEIiOfliGNjzBEv6b9zBZk1A28kZAnypu8h4j+CQ==
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

2026-09-17T10:55:05.373661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053371
observed 92abaa5c2ea7cee86177b9b3f06018fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:05.355534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053371/manifest.json
observed 213d9b99b6eebb78ba3b52018c3dfcbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:05.336794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053371/publication.md
observed c67e13a2a6e9e4518b0d3dd053c336cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:05.317345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053371/publication.txt
observed db8543df7193bbee893aea6591734119...
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.