OpenTechnical

OT-2026-000014640

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000014640) never changes.

Identity and time

Publication numberOT-2026-000014640 · never reused
Internal UUID01a0ae6d-d093-7863-8705-c2ea9a7ed5fa · 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-2026-000014640
StatusPUBLIC

Content hashes

Canonical textba2d7222bc97d74cd1368d998fdacb4280858629a745cd7ad1a82d8ad4742fb5
Markdown564963eb3642f4587b5ddf1aace1d3de51f8e96123d44251abf906a55fb8641b
PDF
Publication page606e1634fc8a98069f85d35bfd6b80281fd4494dbfe95a235e344fee17cfd891
Manifestdfbcb2b1d6e8338d40ac344eaf18fde9ea1945efe20e9866bef8aceace2ab7ea

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
SignatureRVa3F9hfUHOuo8FLIyAHBCAeObaRbeQ+ierEFgA6MHXOPHnFY388pOiDVKYXdURc2Z0OIxL7HCf7fH/CvzkwBQ==
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

2026-09-17T12:06:27.622370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014640
observed 606e1634fc8a98069f85d35bfd6b8028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:27.604517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014640/manifest.json
observed dfbcb2b1d6e8338d40ac344eaf18fde9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:27.584582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014640/publication.md
observed 564963eb3642f4587b5ddf1aace1d3de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:27.566744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014640/publication.txt
observed ba2d7222bc97d74cd1368d998fdacb42...
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.