OpenTechnical

OT-2026-000055724

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000055724) never changes.

Identity and time

Publication numberOT-2026-000055724 · never reused
Internal UUID01a0ae87-09ca-7e43-8497-6d5f644cba83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055724
StatusPUBLIC

Content hashes

Canonical textc7a2f6372e53078895ddd416266ea48530c2137a2937a795ad0ec40fbd9a5ffc
Markdowne50655072706c8455762dcaf7a5318e76a5a17b9e603c797a697872d0ccc7746
PDF
Publication page75cb2010a3c105b4e2c7dad24a34fbd61e5350a27ec8b908b565939f9093cb61
Manifest27c3686b41af6a4a006bfbfc59f8e143a08e05f47b4651204dd6943d58c7b5a7

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
Signaturej2y3Mz6pWfA2y9xFpiQUs9g535mmSN6UF6pYO5T/n/C7m2XZRbhi4+QwZo5FkmWUJJ2859YOgg8aAp6zTHaQCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:03.733209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055724
observed 75cb2010a3c105b4e2c7dad24a34fbd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:03.715621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055724/manifest.json
observed 27c3686b41af6a4a006bfbfc59f8e143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:03.697529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055724/publication.md
observed e50655072706c8455762dcaf7a5318e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:03.679023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055724/publication.txt
observed c7a2f6372e53078895ddd416266ea485...
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.