OpenTechnical

OT-2026-000040428

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000040428) never changes.

Identity and time

Publication numberOT-2026-000040428 · never reused
Internal UUID01a0ae79-2701-7a7f-9572-f663fc0bfac0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040428
StatusPUBLIC

Content hashes

Canonical text01dc556f204e20136ed408adc22bb298e4bb11a0134e8a1d60067c0eb05d18da
Markdown5a4f10f3e4b1c3cc900839a5eed16712ef842b98e4d76bb8e45487ad526cd8d6
PDF
Publication page73b694da5bc73f0c18cc96bbb2cf2ec3a12d9bc9ebd60f3e7b3354a2cf022e5c
Manifest7db3caaea50b6dc23e63e370b1de6c8741315e707986eff01ac48afe28953739

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
SignaturetxgSEP+fQwl4N8+esYT6iMdYFDFrikUZowA2sxfQq6NxM5brMTJlDBdDBEn6YYuC5CBFjBQna+D+V1DNTok5DQ==
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

2026-09-17T11:19:28.324393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040428
observed 73b694da5bc73f0c18cc96bbb2cf2ec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.305800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040428/manifest.json
observed 7db3caaea50b6dc23e63e370b1de6c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.287507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040428/publication.md
observed 5a4f10f3e4b1c3cc900839a5eed16712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:28.268886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040428/publication.txt
observed 01dc556f204e20136ed408adc22bb298...
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.