OpenTechnical

OT-2026-000020145

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000020145) never changes.

Identity and time

Publication numberOT-2026-000020145 · never reused
Internal UUID01a0ae6f-4379-7f7d-b19c-09b3310b0f11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020145
StatusPUBLIC

Content hashes

Canonical texte17bda6c6cafec7389b06ad80f83eca0d3f1f478701dccba299b667da8205e4d
Markdown50b613c1aae242fb868f0fa266227dd63a412677d26f71f10e0b55cf65671991
PDF
Publication pagea8d3280d43fac70f767c75f255c6cbe42dcf87dd07854d46dcf6c561bf91c989
Manifestf27f985a0972495ae7b9090a633d001eea31a76b388a6cde1fd5b266684e8cf7

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
Signatureiq7x5c2m7fYP8P3bqEqIn7GEZVeEQ0WQwEe0uSUzmHw5Z65AQmn+Qvmz4PFFJch5zH3+Mhs+QjsnLu3Qo16zBg==
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

2026-09-17T11:56:27.499585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020145
observed a8d3280d43fac70f767c75f255c6cbe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:27.479467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020145/manifest.json
observed f27f985a0972495ae7b9090a633d001e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:27.457740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020145/publication.md
observed 50b613c1aae242fb868f0fa266227dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:27.436404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020145/publication.txt
observed e17bda6c6cafec7389b06ad80f83eca0...
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.