OpenTechnical

OT-2026-000029328

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained 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-2026-000029328) never changes.

Identity and time

Publication numberOT-2026-000029328 · never reused
Internal UUID01a0ae73-5e20-71f0-a183-945c27bd3e8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029328
StatusPUBLIC

Content hashes

Canonical text40b1385427c1f8c618a1e27da264b2de857d94874564d9c3abdfb9109bb7edda
Markdownfcce72cb278de1239bfcea6a79690b205ce49f74d96875e7bc06346d1c86982f
PDF
Publication pagec7a576f42dc3ce17fff33a48bb01f78180bcf4291ae122dbf5b145eb762b5216
Manifestc9b721ba8ac8cc1ef9d2e5c66fd5369ad99ee3446bac46fff80385f83965fb21

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
SignatureAJBU6jSfc2Gnff2bsAWYmvllX1kRqop+qjQxLpecIjxL4im4zSwbyPse1FFtWKHvCoy7Sxgv7VVhhlKVwGWMCA==
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

2026-09-17T11:38:52.600826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029328
observed c7a576f42dc3ce17fff33a48bb01f781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.582380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029328/manifest.json
observed c9b721ba8ac8cc1ef9d2e5c66fd5369a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.563172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029328/publication.md
observed fcce72cb278de1239bfcea6a79690b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:52.544419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029328/publication.txt
observed 40b1385427c1f8c618a1e27da264b2de...
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.