OpenTechnical

OT-2026-000072096

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000072096) never changes.

Identity and time

Publication numberOT-2026-000072096 · never reused
Internal UUID01a0ae92-47c1-72c0-8dd2-d423f0222833 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072096
StatusPUBLIC

Content hashes

Canonical text8f28808d4b8cd98166302414dee7c0bdabca56402d6803f78619909f696a999b
Markdown1fb6955f03b6b2aeec2822691cedd5be8cac47ba6048458dabdc002f8f8a9ea1
PDF
Publication page3a5f9bb57a59312c7cb97976fa5644364a960b7cd58d8f4e0c6063eeef595bdf
Manifest9369f5cf434503e43f058e388d11e3a62319d15472fc8546150c78d5723c60b3

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
SignatureU2wn+Mqbamrpg3dYhRPB4f0ChyFCcMHtlnQPbCOzSsN6y0TJGu3eDhdt3TAtOkzIzI99fKOV9q7QyPqjc4Q2BA==
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

2026-09-17T10:23:10.641813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072096
observed 3a5f9bb57a59312c7cb97976fa564436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.625034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072096/manifest.json
observed 9369f5cf434503e43f058e388d11e3a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.605955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072096/publication.md
observed 1fb6955f03b6b2aeec2822691cedd5be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.588338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072096/publication.txt
observed 8f28808d4b8cd98166302414dee7c0bd...
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.