OpenTechnical

OT-2026-000015007

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000015007) never changes.

Identity and time

Publication numberOT-2026-000015007 · never reused
Internal UUID01a0ae6d-d096-7e7e-b227-1788549e5749 · 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-2026-000015007
StatusPUBLIC

Content hashes

Canonical textf926fc2c018480e70a8f1cf03f4db57070759655a90c1fc8af8cf825cc6416d6
Markdown3aa0cb89d39abdf6fb056f204449552b2c51fcf474f6af2e6a4f103fbbb4487a
PDF
Publication page35a2b96c141de075745897354fbb1f9a42b8474a22280ae0bde36e11e572139f
Manifest0b3468547a93c119f227c5ccab9be178ec18cd586e667a67696fd169b0758066

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
SignaturerNWaqfI0/rQ5dOLrfdIgSE/eE057M78u1hP0AUa4UhInp49Z/UOoy/CmDwH48RZKNSZ7MKu2wbajTn9Yz1k8Bg==
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

2026-09-17T12:06:58.548902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015007
observed 35a2b96c141de075745897354fbb1f9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.530067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015007/manifest.json
observed 0b3468547a93c119f227c5ccab9be178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.508123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015007/publication.md
observed 3aa0cb89d39abdf6fb056f204449552b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.488992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015007/publication.txt
observed f926fc2c018480e70a8f1cf03f4db570...
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.