OpenTechnical

OT-2026-000054543

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000054543) never changes.

Identity and time

Publication numberOT-2026-000054543 · never reused
Internal UUID01a0ae86-1283-790d-bf02-42da51e6aae8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054543
StatusPUBLIC

Content hashes

Canonical text2429143c7493c9941c1e00e33a239cb80cd9021b1e93cf8156b53b7dbf0daeb0
Markdown9e223804df51ede60a691f653dda50bd20738efa95bbf521acc04ce43f399c4c
PDF
Publication pageb08a56700bab2a046944ec8718d10ecd5d0d031eef79463cd378fff1db9194a2
Manifest2404b815701aaf7800885b147f9deb39dcfe5761e0132cd187e42b8138016958

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
SignatureGVoU359ccwqfeB3UZKo4HnMDY8pF7LBtu/vNoBiCPA6ZYZHJ5nJqtcEfJLk8rnN5ZV3ZQ9QLC1/FJjcOwqFtDg==
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

2026-09-17T10:53:34.663910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054543
observed b08a56700bab2a046944ec8718d10ecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:34.644768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054543/manifest.json
observed 2404b815701aaf7800885b147f9deb39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:34.624760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054543/publication.md
observed 9e223804df51ede60a691f653dda50bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:34.603298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054543/publication.txt
observed 2429143c7493c9941c1e00e33a239cb8...
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.