OpenTechnical

OT-2026-000079376

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000079376) never changes.

Identity and time

Publication numberOT-2026-000079376 · never reused
Internal UUID01a0ae96-0b90-78fb-b009-8b575d78210e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079376
StatusPUBLIC

Content hashes

Canonical text41a2c7310c4fe737deae4ace6a6fcfb4f8a21c46f0e03866712a105ad735a15e
Markdownce9e06acd6e32c72c6d68692b3a02e09fa365cc2c9379a159bf0640588083073
PDF
Publication pagec6bb63bf4a6d5393aeb0aae9e23cd9a35cc915c458d55bb29d295459beeb18d7
Manifestc9ab68bebee17113019d3d3a897407267058c1aab366a280b6d57a726e2a43f4

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
SignatureWbSAvPn9NE9dVv8vrFhxuQ76Y7Z1w8elOs9yI08NgMi2ZPFSIJMgZ13hGmQWkcnHzdKdB+87cxFttHBQHwMFAw==
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

2026-09-17T10:04:59.764431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079376
observed c6bb63bf4a6d5393aeb0aae9e23cd9a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.745742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079376/manifest.json
observed c9ab68bebee17113019d3d3a89740726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.726051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079376/publication.md
observed ce9e06acd6e32c72c6d68692b3a02e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.708385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079376/publication.txt
observed 41a2c7310c4fe737deae4ace6a6fcfb4...
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.