OpenTechnical

OT-2026-000061648

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line 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-2026-000061648) never changes.

Identity and time

Publication numberOT-2026-000061648 · never reused
Internal UUID01a0ae8b-7b45-7ec3-b1ea-7ae7e5a2a07f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061648
StatusPUBLIC

Content hashes

Canonical texte3ce4e96149db3175983954de134af3a609cd6d2306ba0e9907e41a7665a17ae
Markdown347c0a43ded3ddb669ee382f517b1063dd01510ac001ea9c9226074d5e9db22c
PDF
Publication page009fcf96572831609819ef4fd7145a67d70033b69918c228b3d084a424cfcc4b
Manifestd7251ffb160062446dce173e8ef7ea41b7caa5bd971b5cfadaddd29a928a9162

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
SignatureYH7kDC6RfWRzvYWgusAICEjBsrRvb4CDe5cbMMHxAdjYkjd2qjldI0g0ns5fLju+dGFiENKdY+jrnrF2Y/J2CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:35.521822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061648
observed 009fcf96572831609819ef4fd7145a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.502972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061648/manifest.json
observed d7251ffb160062446dce173e8ef7ea41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.482322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061648/publication.md
observed 347c0a43ded3ddb669ee382f517b1063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.463321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061648/publication.txt
observed e3ce4e96149db3175983954de134af3a...
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.