OpenTechnical

OT-2026-000093598

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000093598) never changes.

Identity and time

Publication numberOT-2026-000093598 · never reused
Internal UUID01a0ae9e-508b-7fcc-ab3f-4a16e83d774f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093598
StatusPUBLIC

Content hashes

Canonical text03f2f5428c13db19ee0bbb18caaa893f44f8b22c42b907bc10d6e1f697eed972
Markdown24016496c3e794bd8ef22d25d47b84b52eb9e773f9cf2c48f51d890fac2aebab
PDF
Publication page2dcbcfc629038a4fe983bc56433450d9c8a26cc4965261b04e1e5d76eb4b3a44
Manifestfa7009ccb1a4f8c6d3698273eada7d7b497426e39e38409ec0367837420fd464

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
Signature3e5nnKQJAEUVfPUrCaFmM64GugB1JEoJaClome78Nsb9HMD54jLqD2GBz33X2b6xhVHy0Gh/ghsuwJdHhW5+DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:39:38.390253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093598
observed 2dcbcfc629038a4fe983bc56433450d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.371444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093598/manifest.json
observed fa7009ccb1a4f8c6d3698273eada7d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.354761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093598/publication.md
observed 24016496c3e794bd8ef22d25d47b84b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.335969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093598/publication.txt
observed 03f2f5428c13db19ee0bbb18caaa893f...
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.