OpenTechnical

OT-2026-000008307

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000008307) never changes.

Identity and time

Publication numberOT-2026-000008307 · never reused
Internal UUID01a0ae6a-908e-7c60-a2bc-09c137cae540 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008307
StatusPUBLIC

Content hashes

Canonical text004a3ecf4da2daa6c1c138bf37403c11674594a9bb6f9521984de8ec5def5ee7
Markdown5fdbbd03a26c04999718dffa25e96529fb3d47054ae0e9c069966643ec46d7be
PDF
Publication page3870bb2a9654917b5fe9ef85f53c9b3a27d756a9db8a97f9fd7140f765039437
Manifestb132d49e15d081889b0eb0d2ed600946f73acbe7c7b6e775889393d40f492144

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
SignatureZKZizgWWzlruX/meFy2I3525J9xZZ8vFD7l5LBpQa1h327DIloPHyzg7joMbcfxcX8c1Jw7nd3KuUVUd7QORAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:45.441926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008307
observed 3870bb2a9654917b5fe9ef85f53c9b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:45.424445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008307/manifest.json
observed b132d49e15d081889b0eb0d2ed600946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:45.407768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008307/publication.md
observed 5fdbbd03a26c04999718dffa25e96529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:45.375132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008307/publication.txt
observed 004a3ecf4da2daa6c1c138bf37403c11...
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.