OpenTechnical

OT-2026-000014299

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000014299) never changes.

Identity and time

Publication numberOT-2026-000014299 · never reused
Internal UUID01a0ae6d-b279-7607-bcd4-d6dcfce9a60a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014299
StatusPUBLIC

Content hashes

Canonical text8853ccd84371f1e4d1487497767bd9e0c04c8ba960b8c33f403da9720b7f0891
Markdownf5c78b7247acb78f31c3d1320f519effd4bcfb4b59894e8bcfb28804ee632455
PDF
Publication pagef446e6ca5f70dc836619e80b7706eb69216d4a7895b5de8cb1682f4a4cace02f
Manifest8dd58edfae6fb49c669e79dd505d2f9d3c28ea3902ef1850a4a9ee15302ff538

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
SignatureVg5sYxarYXT8ojKvINYDZehG2jz1AE+sNqBkc6A/kQLal7dCXhng6pItMHzxHM1LUURTR3IH56GYLmcG8RQCDA==
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

2026-09-17T12:07:31.262176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014299
observed f446e6ca5f70dc836619e80b7706eb69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:31.239048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014299/manifest.json
observed 8dd58edfae6fb49c669e79dd505d2f9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:31.218752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014299/publication.md
observed f5c78b7247acb78f31c3d1320f519eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:31.198442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014299/publication.txt
observed 8853ccd84371f1e4d1487497767bd9e0...
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.