OpenTechnical

OT-2026-000075526

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-2026-000075526) never changes.

Identity and time

Publication numberOT-2026-000075526 · never reused
Internal UUID01a0ae93-f202-7633-a165-96e845abdda3 · 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-2026-000075526
StatusPUBLIC

Content hashes

Canonical text3b5c655d1b13c42919f0838e6cff27f81ec6645fffa5cf688ccd03b8b407279d
Markdown262a306042b0f7037ee1766cb34d3e8dd04fa5fdee5041280440a05b58bb4281
PDF
Publication page3b595a3cad9aff501f4616522f606e0017c8a58027d9da7cb8d34706f1eca057
Manifestf4a7b3f8aef1ac97683d031c1ec32b3130b4a4cda4d374b3d9a80a78cdcb3da6

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
Signaturepurygeq4cq7CRSkBcydQsNpybnzOtylKLuUETQKPqzIzKdMpNPVz8Ft9AASvD3eDiKFwCLKodrrCKWTJHGfrBQ==
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

2026-09-17T10:18:00.203658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075526
observed 3b595a3cad9aff501f4616522f606e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:00.060642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075526/manifest.json
observed f4a7b3f8aef1ac97683d031c1ec32b31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:00.040863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075526/publication.md
observed 262a306042b0f7037ee1766cb34d3e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:00.020127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075526/publication.txt
observed 3b5c655d1b13c42919f0838e6cff27f8...
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.