OpenTechnical

OT-2026-000073910

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000073910) never changes.

Identity and time

Publication numberOT-2026-000073910 · never reused
Internal UUID01a0ae93-2b8e-75c9-925d-a3b9e522a176 · 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-2026-000073910
StatusPUBLIC

Content hashes

Canonical textc9eca71c22ad5a6b1f21c1d4b22254948f394c324d14c49992a8fdbaddca828d
Markdownb5a21d064810a511b8d60d34f01b3c33a6f831f07a7d478dfee067296c5721e1
PDF
Publication pagef6d48bc1ac2e019b608293ff0c0df797f76d9b2d2cf8a1936dff81f7885e79f5
Manifest8d0ab144a5f6d906a84d97ff0465149b28e8117eb2c0dbffbe29a3689717f180

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
Signature1kEfEPFOt0WpfyEUJUqyGS+NDEw+NiwdVj8bNWaeZETQRm6KMGzTKqbtgcOsiLwhFdBJI1p65jS9+IX6ZOmkCg==
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

2026-09-17T10:20:04.237270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073910
observed f6d48bc1ac2e019b608293ff0c0df797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.216895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073910/manifest.json
observed 8d0ab144a5f6d906a84d97ff0465149b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.198800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073910/publication.md
observed b5a21d064810a511b8d60d34f01b3c33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.177487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073910/publication.txt
observed c9eca71c22ad5a6b1f21c1d4b2225494...
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.