OpenTechnical

OT-2026-000097077

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, sustained 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-2026-000097077) never changes.

Identity and time

Publication numberOT-2026-000097077 · never reused
Internal UUID01a0aea1-01c9-73b1-bed6-efaaf1615a6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097077
StatusPUBLIC

Content hashes

Canonical text31817ea2433d8305de32b7f097ce2698998608bd2bb3341d4984ccdbfdf9b2a8
Markdownc29b9b2a4f5c5dc0c105e83bfa852c683d16e4c34cb840a1f929664ec308c926
PDF
Publication paged6f77ce37bab3598e6f4777d5db719ffad355e8877b614caf07f63c2eb4bf16a
Manifest6800c7c4806e53f3b2b7d3625603439fd55db73cfe0c3b351b31e6fdd2c58e74

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
SignatureU0s8Tm62e9bi6TJ7PRbSEVhdIn+hKB4I4zYh1SJHsyal1eJZz+jvojRbg1K2541/u/ClQmtGL4e7geS7NEpLBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:39.448414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097077
observed d6f77ce37bab3598e6f4777d5db719ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:39.429235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097077/manifest.json
observed 6800c7c4806e53f3b2b7d3625603439f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:39.410586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097077/publication.md
observed c29b9b2a4f5c5dc0c105e83bfa852c68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:39.390702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097077/publication.txt
observed 31817ea2433d8305de32b7f097ce2698...
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.