OpenTechnical

OT-2026-000014731

Publication integrity record

Three cup vacuum gripper, three 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-2026-000014731) never changes.

Identity and time

Publication numberOT-2026-000014731 · never reused
Internal UUID01a0ae6d-d093-7a74-b210-53bab0cd1911 · 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-2026-000014731
StatusPUBLIC

Content hashes

Canonical texteb4e6c825c0ed28c7de4de23e44d891cf47af7628657fa6b3effe2dfda889243
Markdown7294a6cb7c9065fd58dd58d3c2ed29b2d1d717ebcb845755ab3c738b8b3cfb25
PDF
Publication page5b1c1b191b890908bf77facb0f4a786ea65ebccce1bc652e9edc768a53c1514f
Manifesteb4ca4a9c09470df19c4f801d740c71092c5a3565ef3dfdd5ca4aacf190a7300

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
SignatureXw6gVFOVL2pU0UQO1XTzSaOyEQKr7Tami43SehUjCjVjqDpYrBrprBTAhZQHorYgmC1L4rCwWQ7lBtPeMgsbDA==
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

2026-09-17T12:06:36.273014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014731
observed 5b1c1b191b890908bf77facb0f4a786e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:36.253313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014731/manifest.json
observed eb4ca4a9c09470df19c4f801d740c710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:36.232638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014731/publication.md
observed 7294a6cb7c9065fd58dd58d3c2ed29b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:36.213673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014731/publication.txt
observed eb4e6c825c0ed28c7de4de23e44d891c...
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.