OpenTechnical

OT-2026-000014825

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000014825) never changes.

Identity and time

Publication numberOT-2026-000014825 · never reused
Internal UUID01a0ae6d-d094-7e00-883f-1134efe95951 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014825
StatusPUBLIC

Content hashes

Canonical text6b8cd617fa07a6126a76e5ffab332eb4d5b735532f53ecc7f3d8824dcb9d61a4
Markdownc034f82bbcf79d9a34e1ab416c3438cc31d9809af716a5a84bf2f030229e2f4a
PDF
Publication pagee05405702f47d07394ab7216ed876aad6a67b9a8efc27f48366f624d3339a0b5
Manifest4e0fe15a83e060043bedfa50e6be1c5a1ac85e554adc7728d42a289c18c06dc2

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
SignatureYve3dtmgaapK9lr0Bb3R8HItCecsOdhSk/5c1uA5D18ZZbPaWXCHdTRrQbB3tSyDn1acKcKFpvvT0vLA4zW2Bw==
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

2026-09-17T12:06:43.690106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014825
observed e05405702f47d07394ab7216ed876aad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.673292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014825/manifest.json
observed 4e0fe15a83e060043bedfa50e6be1c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.655437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014825/publication.md
observed c034f82bbcf79d9a34e1ab416c3438cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.635830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014825/publication.txt
observed 6b8cd617fa07a6126a76e5ffab332eb4...
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.