OpenTechnical

OT-2026-000049512

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000049512) never changes.

Identity and time

Publication numberOT-2026-000049512 · never reused
Internal UUID01a0ae81-8f7c-7152-afdc-6f41d49c310b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049512
StatusPUBLIC

Content hashes

Canonical textdacf7b068e7827ad38c8b73c5e3d6526d50bde1a5c186593569245d708b1d85e
Markdown063c28596747d07673b50cf5a3156a38bcb375abc6d0f92de4e6d58c140bc323
PDF
Publication page9882ec9a4bab986bfa3c34db09620e214ebbf94bacd029fca4cf6c0d7da10d46
Manifeste2a51f22da861ced131ae80882446e26d69bfcc4d3bd0c234e29ec13013821d0

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
Signature3w3pzY0BwavQ55ArSRlc0tPLtGCGLBQm6mjIvUuIbNU8hNfGk+/gOHGi2PoSGq1ZJ6UX5CvRmD4bLOQC58TaCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:02:22.096434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049512
observed 9882ec9a4bab986bfa3c34db09620e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:22.079808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049512/manifest.json
observed e2a51f22da861ced131ae80882446e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:22.061775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049512/publication.md
observed 063c28596747d07673b50cf5a3156a38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:22.042968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049512/publication.txt
observed dacf7b068e7827ad38c8b73c5e3d6526...
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.