OpenTechnical

OT-2026-000024941

Publication integrity record

Single cup vacuum gripper, common isolation valve, 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-2026-000024941) never changes.

Identity and time

Publication numberOT-2026-000024941 · never reused
Internal UUID01a0ae71-2728-79ba-ab63-07cf899b32f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024941
StatusPUBLIC

Content hashes

Canonical text937013f2b55799ac474c86bfcb00bf8f6263ad06723c34177a945fcfdfce462e
Markdownc6bfc7f4da5396a093c227b977b4a06ca76c5001581f5ee87513af1561de2ae1
PDF
Publication pageaf0a26473ffb85684280ba65ae31226132f7ed1005bfc1ed98fb348ad01d2762
Manifest6af2196279001c3a804907b7c508b4775f9eb6b0e301b7dc0b42a8f9e7a6c0f8

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
SignatureW8ZzxKVQeCBIxorjLAbWbpfQLG0agVTG7T+t7/MwZ0UATJohBkzenkj4z7PiMYaWnfS2TviTlirSCM9IFGSVAA==
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

2026-09-17T11:48:17.307963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024941
observed af0a26473ffb85684280ba65ae312261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:17.291417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024941/manifest.json
observed 6af2196279001c3a804907b7c508b477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:17.273419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024941/publication.md
observed c6bfc7f4da5396a093c227b977b4a06c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:17.255489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024941/publication.txt
observed 937013f2b55799ac474c86bfcb00bf8f...
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.