OpenTechnical

OT-2026-000035719

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000035719) never changes.

Identity and time

Publication numberOT-2026-000035719 · never reused
Internal UUID01a0ae76-b4c8-71db-ab8a-c21e1f0b8f0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035719
StatusPUBLIC

Content hashes

Canonical textf4b5185c64ef830f8c34b3444ed1a6c044e498e06876e2d3c0a1f6d5e1141f76
Markdown15495d721ea06ac26a83be5867e7e7b25e3abd7273c1eaa47ea3f04ac51db628
PDF
Publication page330db8f935d117132a4ffaba1cdcc2fdcf31ed66749e95bcb89c729abf831324
Manifestd7d9d17739819254b0cfb0dbb43b47413182a847828f12880af420660c2ce363

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
Signature4iWdo0DxHFyt92xOjJhNCQky5B0BqTlND5KdUsSc69leVIiPiIqLeEwA2G6+fYbZpSseL6hnjvyMiHEzte2NAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:27:18.369659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035719
observed 330db8f935d117132a4ffaba1cdcc2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.353089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035719/manifest.json
observed d7d9d17739819254b0cfb0dbb43b4741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.337291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035719/publication.md
observed 15495d721ea06ac26a83be5867e7e7b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.320291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035719/publication.txt
observed f4b5185c64ef830f8c34b3444ed1a6c0...
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.