OpenTechnical

OT-2026-000017430

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000017430) never changes.

Identity and time

Publication numberOT-2026-000017430 · never reused
Internal UUID01a0ae6e-76c9-7705-a48e-0840cbcb22c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017430
StatusPUBLIC

Content hashes

Canonical textf4e5977fa036e0dc7b07d87f98ac61ba6d652cef2f75fd569ddc97a9b9e792ad
Markdownfb7a107e4bb4cf15da8c5e7eb1d7ac6a3aa17116d4c27c7de94f349f43ccd2f1
PDF
Publication page4068cc4a768aefccee36ddae8e749912588ade445c79819b78eef9212cae9f72
Manifest371680e01e8b913de98b54fa173688649ba287ab4ace394f3d6e972023545be7

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
SignaturegAuUn3x/b2fjYDsx79lf5YJbEgcBwSsRBBqdm1Izwwqf7bWfJ2TDfj/i+atzzk/F8/VXN71OPN1flNGxejuRAA==
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

2026-09-17T12:02:33.714629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017430
observed 4068cc4a768aefccee36ddae8e749912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.694353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017430/manifest.json
observed 371680e01e8b913de98b54fa17368864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.676340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017430/publication.md
observed fb7a107e4bb4cf15da8c5e7eb1d7ac6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.658262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017430/publication.txt
observed f4e5977fa036e0dc7b07d87f98ac61ba...
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.