OpenTechnical

OT-2026-000072102

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-2026-000072102) never changes.

Identity and time

Publication numberOT-2026-000072102 · never reused
Internal UUID01a0ae92-47c1-7159-bbe7-10beeaf7155c · 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-2026-000072102
StatusPUBLIC

Content hashes

Canonical text4f81ec09d2a786b080e24522199d8b70c8f198e84f9f464a87bed3a537a2069a
Markdown88827fb3bdd84d5e718941ec2cb25a040063c499277aec36ca5a48ee62b38dfe
PDF
Publication page1f22ab6e649324b27a1c9855c11255a3f5102833cf328d05f8262fb56d3d2c01
Manifest28b7be51908b8d31439c083e0c316232383e6be7977d85a760ce4498d1a7d733

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
Signature+fFDA7+Jhj2hGHShVTxJh+hskiNXV0Q0mJfSVlQ1berbrwb+wir32CZhZH+7Iu5z+duC3l4uH0fK3QZl+ZGyCA==
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

2026-09-17T10:23:06.588233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072102
observed 1f22ab6e649324b27a1c9855c11255a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.570548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072102/manifest.json
observed 28b7be51908b8d31439c083e0c316232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.529882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072102/publication.md
observed 88827fb3bdd84d5e718941ec2cb25a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.488338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072102/publication.txt
observed 4f81ec09d2a786b080e24522199d8b70...
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.