OpenTechnical

OT-2026-000003588

Publication integrity record

Porous face vacuum gripper, two zone face, common isolation valve, three stage ejector, contact triggered

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-2026-000003588) never changes.

Identity and time

Publication numberOT-2026-000003588 · never reused
Internal UUID01a0a90a-7612-7e3a-ad6f-984c547e283f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:10.229550Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003588
StatusPUBLIC

Content hashes

Canonical text24c63bb03836a8a3c1e0a0e94f0ac1b270e7fb765611cc3d3fe88ee103256ec5
Markdown8362e7d15da005b55574c8ad5c67bcab79035e9054a8bddbc625d837a3e912fc
PDF
Publication page8d2a62ef67d2dd6f5ddb10acd0f8f0ac884eaeb7cd81ed7145f0fa6eb92237cb
Manifestff3d14f20f2ac03bfaf959dfd69e97b2995714941b1ac51951e508bfebbfa4d1

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
SignatureY+8O2WAZA1XP+dXmd1otdodXWEfhE2UgqP4YPLOgCnCKxYKT+8y+wjkTwTd4FLHaTy9upsLKpIZc6q0ILJyXCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:40:36.884882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003588
observed 8d2a62ef67d2dd6f5ddb10acd0f8f0ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:36.747392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003588/manifest.json
observed ff3d14f20f2ac03bfaf959dfd69e97b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:36.733319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003588/publication.md
observed 8362e7d15da005b55574c8ad5c67bcab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:36.717505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003588/publication.txt
observed 24c63bb03836a8a3c1e0a0e94f0ac1b2...
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.