OpenTechnical

OT-2026-000097099

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000097099) never changes.

Identity and time

Publication numberOT-2026-000097099 · never reused
Internal UUID01a0aea1-01c9-7e5e-95f0-b6ca140f42d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097099
StatusPUBLIC

Content hashes

Canonical textadbfbc6714aaafd2b036cbcb791aea69800b62176d67b988232ec7781598335d
Markdown04e631ad52073c889f7ba7dfa1a8782fc288e682ed27d8d9a9b8167d54aa45a5
PDF
Publication pagef59736fd86a1f380bc0f87fa911dfd9faca0897d4f43dccf47fe8e99ac14ad92
Manifest7616400f08b242496d9343cd16a70996b21b7db3ec018a9611bd2fd1c00be106

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
SignaturewTvKOqwXmmLqR2Of/W+MAulmGp3MKyHhoFwNKuNAzCYEAz1IcopKnbWGg4hb+9MPZHnCtrYEN35ZuTxY6771Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:43.209472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097099
observed f59736fd86a1f380bc0f87fa911dfd9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:43.191221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097099/manifest.json
observed 7616400f08b242496d9343cd16a70996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:43.173408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097099/publication.md
observed 04e631ad52073c889f7ba7dfa1a8782f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:43.155503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097099/publication.txt
observed adbfbc6714aaafd2b036cbcb791aea69...
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.