OpenTechnical

OT-2026-000050049

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000050049) never changes.

Identity and time

Publication numberOT-2026-000050049 · never reused
Internal UUID01a0ae81-fd78-7845-89e1-85f919853fd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050049
StatusPUBLIC

Content hashes

Canonical textf222b89baea12335b561d54d31164368c4ce67171531b4160a41cd3895f8d500
Markdownc3eaff0f4c1af0bd0082fc0fd81c6b972d0714eaee453700400443a8c93fe7b2
PDF
Publication pagea0b6dd83e73cc0eace3a4c908d050ed32c14169fb1360cc37f92c7d794cddd98
Manifest86ac87c4b7f007fe9a4d58f5f2bb322acca2de1908b35a9f1ad10ae43cbcc327

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
SignatureIiSrxnJX9Nq8pxoAbAXvdEN9t8+Y6GedOO++DnFPFtvW9oX2jayweIxih41QUikbyKZ8J3NTiOjwTCjZ612hCg==
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

2026-09-17T11:02:01.748221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050049
observed a0b6dd83e73cc0eace3a4c908d050ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.727672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050049/manifest.json
observed 86ac87c4b7f007fe9a4d58f5f2bb322a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.707963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050049/publication.md
observed c3eaff0f4c1af0bd0082fc0fd81c6b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.686109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050049/publication.txt
observed f222b89baea12335b561d54d31164368...
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.