OpenTechnical

OT-2026-000093937

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line 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-2026-000093937) never changes.

Identity and time

Publication numberOT-2026-000093937 · never reused
Internal UUID01a0ae9e-92c8-715a-b6e7-16f0cbea2c7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093937
StatusPUBLIC

Content hashes

Canonical textd3445e32dd361c542ec27aa09daab27028b88adcdba54741630bbf4c97836c7a
Markdownfe08f5e89e6af6eef80c7bce8cf7033a14b5748b46a75adbb5950cbf48b8556f
PDF
Publication pagebf775ad83b1317b7c025afa97a531a8486163257d847dd5c6a002fc266f6490d
Manifestcabd58bb4a2ed9f152dd1b1c50640ac9af44b0193e8bb858362c2560af0f537c

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
SignatureKSY4vHbUuuoC+tF9GCoaVHIKtDh6PCgaBnj31PA4W95561byH0WnTRYpjo1+XyC7XOLwpqqI7LscuKeSfX/sCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:12.749487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093937
observed bf775ad83b1317b7c025afa97a531a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:12.732936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093937/manifest.json
observed cabd58bb4a2ed9f152dd1b1c50640ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:12.716709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093937/publication.md
observed fe08f5e89e6af6eef80c7bce8cf7033a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:12.696843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093937/publication.txt
observed d3445e32dd361c542ec27aa09daab270...
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.