OpenTechnical

OT-2026-000012745

Publication integrity record

Six cup vacuum gripper, six 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-2026-000012745) never changes.

Identity and time

Publication numberOT-2026-000012745 · never reused
Internal UUID01a0ae6d-5562-74c1-acc2-61c40cbec10d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012745
StatusPUBLIC

Content hashes

Canonical text7b3b1f3f0a54266371104aefce84bcbd01e248fff1d30576456c1519d22598bb
Markdown1c149e444729879fa070cf039b064897ecce7d711a7dd0fbb92185a39537330e
PDF
Publication page350d8a4ff6fb248213b23bee1ceb14d3798133301a27f637b5c6c20c2201288a
Manifesteae655023a76e95acb42057836c2a92ae223ee1bc21b5364256377d4ede558c9

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
Signatureppuw2YqpoOXC9jaiet9lDB0gC+IfvE2USdmh3wODgO0QVTLTcqgE5EsDoyLlBUK+QSKGgrVbHL5rvU9eCeEFBQ==
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

2026-09-17T12:10:26.595761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012745
observed 350d8a4ff6fb248213b23bee1ceb14d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:26.575846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012745/manifest.json
observed eae655023a76e95acb42057836c2a92a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:26.558362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012745/publication.md
observed 1c149e444729879fa070cf039b064897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:26.536787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012745/publication.txt
observed 7b3b1f3f0a54266371104aefce84bcbd...
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.