OpenTechnical

OT-2026-000014687

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed 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-2026-000014687) never changes.

Identity and time

Publication numberOT-2026-000014687 · never reused
Internal UUID01a0ae6d-d093-7452-b976-286270f42de9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014687
StatusPUBLIC

Content hashes

Canonical text518c4b047afaaf3ca759449522d4d2d9b32d36f2f89030692ab4e8f0bf33eb59
Markdown775cadcb28a20c9f5d27b5d97c5c16e7132a00456f703078d7ca76cace7d9864
PDF
Publication pagef51099372b074ad9883276545937461ddcac13b9255b4108650cae71b280d366
Manifest9ff4ed97d4a1cf77efb6d8df01e01fdce0e388fcc66ef5a88ef0c756f7037d3b

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
SignatureVdyDYLx1KDnY7iJTY+25g7PU6U3dBxnh57XMHOscGWxYh3jHBUkZe6Wd+FbZm+8AmTNBTsBtkfaKQveorcDTAQ==
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

2026-09-17T12:06:32.527909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014687
observed f51099372b074ad9883276545937461d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:32.509825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014687/manifest.json
observed 9ff4ed97d4a1cf77efb6d8df01e01fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:32.492030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014687/publication.md
observed 775cadcb28a20c9f5d27b5d97c5c16e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:32.473450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014687/publication.txt
observed 518c4b047afaaf3ca759449522d4d2d9...
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.