OpenTechnical

OT-2026-000067452

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000067452) never changes.

Identity and time

Publication numberOT-2026-000067452 · never reused
Internal UUID01a0ae8f-6bd9-7aa8-890e-862f89d8d9b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067452
StatusPUBLIC

Content hashes

Canonical text7529cfb5ca17debe2af545677bbae1874c2b253fadaa4d93a9609803eab2fa5a
Markdown022ddf9da55e3426926f6fd8ff012631462ff4e6c2f92195207663deca0861d4
PDF
Publication page005a57895ef7069e9f01446ede42c3b60b0abf35bf5a4eaacb29d5162780e5a8
Manifestcdbbbd17e4fe478868a9f9d2f8fe96a71cca27d2b6901f06f7512c407d708f32

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
Signature4ov46rzwXj4oJM0vnhxzrY7w9CA7pCwxgMcJD8rq62UzsNaBymss/j6+gjA7jZwlrBjjEYc7JLo2Fcr8rAzDDg==
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

2026-09-17T10:31:39.452080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067452
observed 005a57895ef7069e9f01446ede42c3b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:39.436105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067452/manifest.json
observed cdbbbd17e4fe478868a9f9d2f8fe96a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:39.418657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067452/publication.md
observed 022ddf9da55e3426926f6fd8ff012631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:39.401744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067452/publication.txt
observed 7529cfb5ca17debe2af545677bbae187...
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.