OpenTechnical

OT-2026-000075402

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000075402) never changes.

Identity and time

Publication numberOT-2026-000075402 · never reused
Internal UUID01a0ae93-f201-713e-adad-a8ee45b444da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075402
StatusPUBLIC

Content hashes

Canonical text7f241d9dded9766cf3af85c5d5330f7d6d4a34eea3911c130e0779e0210fc1e7
Markdownb3c552231c27616c263babd0f79dc7860ea9284f2b29068470979df6eb94d6a7
PDF
Publication paged9d223c12845dbf3cd1bde8787ccfcef7225b416aef14b6e5933b8a39b34334d
Manifest2ec0a10fa88c55ac0ac6a76101ceed2eb50ce6ae77899d5bd10eab023167e5a5

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
SignaturekCQ1r8Qb29JOQvhk71CJGrd/aa1eTj2Nj2fepKoJcxsP6QP1Z/9qzHg0mc3gPASkb/mqdzm/fWmaD7OmxoJkAQ==
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

2026-09-17T10:17:30.445626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075402
observed d9d223c12845dbf3cd1bde8787ccfcef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:30.305441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075402/manifest.json
observed 2ec0a10fa88c55ac0ac6a76101ceed2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:30.284976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075402/publication.md
observed b3c552231c27616c263babd0f79dc786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:30.264986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075402/publication.txt
observed 7f241d9dded9766cf3af85c5d5330f7d...
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.