OpenTechnical

OT-2026-000072126

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000072126) never changes.

Identity and time

Publication numberOT-2026-000072126 · never reused
Internal UUID01a0ae92-47c1-773d-86a0-12de07f23a2e · 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-2026-000072126
StatusPUBLIC

Content hashes

Canonical textb0b4df45048678c81eec01edb9ca8ecd593ccbf5f9a2990eeb8aaa45e4f6888a
Markdown9c92a0c663f8c3d10b0e7329d8eaf74254aa5eb5a14f6b23909b53d5ac27c4d6
PDF
Publication page225e5026ebc7b17071ce64de948c4b23395f2d6ed9730fed405267a4fb12d718
Manifestee4d08cb6f8ba47a9912e7ba9d7bcb4d07c0904382ed3bc6b3598ee8bbad4520

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
SignatureHJIUhInu5+pkPpoQcJUESRmao68TvIYO+Tt7vhC/D88/yj71W96B70igH8zjmCdY0aqoa1xCi5gf8mjRqOZxCA==
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

2026-09-17T10:23:12.903366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072126
observed 225e5026ebc7b17071ce64de948c4b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:12.885444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072126/manifest.json
observed ee4d08cb6f8ba47a9912e7ba9d7bcb4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:12.866971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072126/publication.md
observed 9c92a0c663f8c3d10b0e7329d8eaf742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:12.850502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072126/publication.txt
observed b0b4df45048678c81eec01edb9ca8ecd...
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.