OpenTechnical

OT-2026-000050512

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000050512) never changes.

Identity and time

Publication numberOT-2026-000050512 · never reused
Internal UUID01a0ae82-5c49-7c0d-af10-0c6547043aba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050512
StatusPUBLIC

Content hashes

Canonical text6352e9353111ef2059124d0d069b1b4cb5b32ea47d5e82a1b6a43e630ed41834
Markdown53f91f155531e4856980aee4f6f568e208bb43170a3143f04c56cea8b88a6d6a
PDF
Publication page6176627f9f0a735f37dfefc4e7098a272548885037e4d502bca18da291b08eb5
Manifest81ca7f59148647d07a9d93061cba1b07653c3d8250336c5c918698ffe244e3ec

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
SignatureJLjHdrxbW3uYUOXJ+W2Nfv9QP76T93nsFXASNRztXofy/VHyxaao2ZUd/0uNvEpUf76LUOqeoHTe06XrQmGVCA==
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

2026-09-17T11:01:34.422922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050512
observed 6176627f9f0a735f37dfefc4e7098a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:34.407064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050512/manifest.json
observed 81ca7f59148647d07a9d93061cba1b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:34.390367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050512/publication.md
observed 53f91f155531e4856980aee4f6f568e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:34.374011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050512/publication.txt
observed 6352e9353111ef2059124d0d069b1b4c...
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.