OpenTechnical

OT-2026-000053079

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000053079) never changes.

Identity and time

Publication numberOT-2026-000053079 · never reused
Internal UUID01a0ae84-a431-7187-83c3-eac706a340cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053079
StatusPUBLIC

Content hashes

Canonical textb371ba3580db4dd7867961148d45e5528d5c6d512d1ed265741c0d58e64f1ab5
Markdown3ad0351956a9e4a268d52614f8148fb150edad975dc5cc9b801cbb91f6ca4229
PDF
Publication page9f7051d43d87e2e69d6231d12c41c0192ffcf96e8f17826e28c725ae3deb8a4e
Manifest8f295ccedf2cf9730d4cf30efc9ef3d155c61b848863999b43af8d31b673315c

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
Signature2jYoEfQ+xQNzPbXgE/xqT0eZjawGn9jbQa/vapuGxm5jUSElli2AkjRZDOxsnZY8McQv7oOGYiJZ0kNP99/DDw==
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

2026-09-17T10:56:47.845812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053079
observed 9f7051d43d87e2e69d6231d12c41c019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:47.827472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053079/manifest.json
observed 8f295ccedf2cf9730d4cf30efc9ef3d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:47.807309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053079/publication.md
observed 3ad0351956a9e4a268d52614f8148fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:47.789254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053079/publication.txt
observed b371ba3580db4dd7867961148d45e552...
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.