OpenTechnical

OT-2026-000072886

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000072886) never changes.

Identity and time

Publication numberOT-2026-000072886 · never reused
Internal UUID01a0ae92-89db-7372-8802-dff433e9fc5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072886
StatusPUBLIC

Content hashes

Canonical text08613b036ce0cbcaed144521d0730617046d7dc6f3304dfd0de0e1fa05234140
Markdown9142617716a95cc8fb136283b6adb689a2ee046ecee3ce8597d21cdc24210b3d
PDF
Publication page19fe3564980c3cbaebc342b06ecc645e9e929e4cb979afa3fbc23abb28bd8a45
Manifest88938cffc1489ac2ee5731e09b39739d5c75f0e30bdab7c3d4e70bebd752b8bb

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
SignatureOPnPYAFe/Ft1apbv1/27hUT/nedZPo8DRgtLsa2PjpyH7+q1loP13WBD8e+FXeU7jdMuOJB06AG48xoGn7WUDw==
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

2026-09-17T10:22:48.929756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072886
observed 19fe3564980c3cbaebc342b06ecc645e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:48.912358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072886/manifest.json
observed 88938cffc1489ac2ee5731e09b39739d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:48.896117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072886/publication.md
observed 9142617716a95cc8fb136283b6adb689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:48.867830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072886/publication.txt
observed 08613b036ce0cbcaed144521d0730617...
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.