OpenTechnical

OT-2026-000037648

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000037648) never changes.

Identity and time

Publication numberOT-2026-000037648 · never reused
Internal UUID01a0ae77-b8cf-7f4e-8920-de6b34073dc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037648
StatusPUBLIC

Content hashes

Canonical texta35aa4389aab59208132a7c79c32dd78d67e609ec6fc7b04bda0244126926570
Markdownc441848372badf01a310da63b933b8e6a04791365d1f7129d285375e28172bb4
PDF
Publication page76d7ea71ff90f8b9290b8164e4a05a3d87c5ff4f89456e3bc50ed8422bea487b
Manifest01842c538fec6bc8150979f38fc4a3e7ad53427b9c8a62d2be1bedd0f14e7237

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
SignatureYDv3Zuf3hrUQncs96qqNcrhsvxwChd1c/hYC/rFf9IefOgE8CyEGpiBvQjZU0/KOTUv6NZovittLzwPWe0A6DQ==
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

2026-09-17T11:24:13.167197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037648
observed 76d7ea71ff90f8b9290b8164e4a05a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.149818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037648/manifest.json
observed 01842c538fec6bc8150979f38fc4a3e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.132527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037648/publication.md
observed c441848372badf01a310da63b933b8e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.113677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037648/publication.txt
observed a35aa4389aab59208132a7c79c32dd78...
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.