OpenTechnical

OT-2026-000045809

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000045809) never changes.

Identity and time

Publication numberOT-2026-000045809 · never reused
Internal UUID01a0ae7d-8f05-777a-abc1-eb4a2b724a01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045809
StatusPUBLIC

Content hashes

Canonical textbaa056b1914d9057878da685a9bed5768d4434a83d7369a98eb4a5c14cbc94a5
Markdown5942e5e085fbf63f3b85def9ac2bdce736f52b862f43014a0d4d08d320fffabd
PDF
Publication pagea32e7885355197eb0b0ba55e3524b77cf0f60a06c3060818a9a3fbd7d3aec0b5
Manifest3d7240eeef36d555d002bc270bbe0fd9830ee0370fb59902a858853205a736c4

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
SignatureygH515g9WKR9sgwzLs8tlMumKtiRankEW7fIEk7U6AIbFK1kxszDQ0UhDzKGWnEVxkkvX+DlZ7nJ7qYTzsx0Bw==
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

2026-09-17T11:09:40.731759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045809
observed a32e7885355197eb0b0ba55e3524b77c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.713388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045809/manifest.json
observed 3d7240eeef36d555d002bc270bbe0fd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.695256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045809/publication.md
observed 5942e5e085fbf63f3b85def9ac2bdce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.678351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045809/publication.txt
observed baa056b1914d9057878da685a9bed576...
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.