OpenTechnical

OT-2026-000006085

Publication integrity record

Vacuum cup gripper, common isolation valve, four outlet manifold, pump fed, pressure verified, rubber cups

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-2026-000006085) never changes.

Identity and time

Publication numberOT-2026-000006085 · never reused
Internal UUID01a0a94e-d5be-71cc-95bc-53bc237daf01 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:21:51.168741Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006085
StatusPUBLIC

Content hashes

Canonical textda5eeb6fef6340c3b6cfdf4e78f61fef89634136e07ef405cccaa4e614d5e6a7
Markdown21db7183eac709835812b63287e91e7e841ba815a9163ae49d48297f6724bcc7
PDF
Publication page8d2f352fe9553498faf7d58bc79b150536dc3994b6e72fa4a146156cab97a8da
Manifest4b7fcd95c452cd341f2323165f2fab17bf5c8f91ad106c87fc167c9506b352d5

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
SignatureLGOwr+vLg72mpngiA7WSzp+Zcw4sCh3HdjO6S2vYc7RFpYCrCwWTQ0idSSwy/kFelg3K6oGKw/LIvWvpN4r/Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:29.181373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006085
observed 8d2f352fe9553498faf7d58bc79b1505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:29.168356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006085/manifest.json
observed 4b7fcd95c452cd341f2323165f2fab17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:29.155008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006085/publication.md
observed 21db7183eac709835812b63287e91e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:29.140927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006085/publication.txt
observed da5eeb6fef6340c3b6cfdf4e78f61fef...
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.