OpenTechnical

OT-2026-000073718

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before set-down

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-2026-000073718) never changes.

Identity and time

Publication numberOT-2026-000073718 · never reused
Internal UUID01a0ae93-2b8d-7289-915d-1e3af9bc5531 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073718
StatusPUBLIC

Content hashes

Canonical textb365621867dc9b2dde378789acc8e17efd8483d19ef1c4240052a29bdc33bbf0
Markdown9710dab6f816c823234fb9baa6e1d828909a3aa50d50be0a23af82b91bf27552
PDF
Publication pageb335efc57c39d0f661570ed790fb238e5e79f9fc72331dd6120881e71d550850
Manifest1d3a9c4d919c473f841f460fe072ca24b191cf5d88d13a0fee9f4a00377a5771

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
SignatureRh5H2PMcq/so1IAxhOPmgqkUCXGC5iu1KqzZa14CU3aYvbPKyIuacB7n+1XUb0Q39VWSlQVx1nsBJM4ZpMXbDg==
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

2026-09-17T10:19:47.489892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073718
observed b335efc57c39d0f661570ed790fb238e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.470075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073718/manifest.json
observed 1d3a9c4d919c473f841f460fe072ca24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.451674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073718/publication.md
observed 9710dab6f816c823234fb9baa6e1d828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.431935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073718/publication.txt
observed b365621867dc9b2dde378789acc8e17e...
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.