OpenTechnical

OT-2026-000009946

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, supply line pressure sensor, vented after 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-2026-000009946) never changes.

Identity and time

Publication numberOT-2026-000009946 · never reused
Internal UUID01a0ae6b-cb79-7f64-b954-5d6e64159e14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009946
StatusPUBLIC

Content hashes

Canonical text8d522e9e61a71455f8d4e7b2e4a82ca05b2130f61c7186b548a02f864346a008
Markdowne167f0e417a698c1bf44bddd67495a9fc6aea2d691bef8e284eeb0afe9187ee2
PDF
Publication page788a89a07d5d667929c7cfc925426c9d3c8699304c73b6f8d5da6d378d2e1d83
Manifest83477eb776da516f12d5c57ba8f3e4d7c58b906c7fab996de373eea7a9a6b875

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
SignatureA71KsDdfvdwxz5UhIvEFb26wO1dZ3btJsl/yllHro6cOWyzwBz0RqnDRfwRjBFQr28et0fJXrq26FE7i4hvxAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:58.704892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009946
observed 788a89a07d5d667929c7cfc925426c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.685160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009946/manifest.json
observed 83477eb776da516f12d5c57ba8f3e4d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.665884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009946/publication.md
observed e167f0e417a698c1bf44bddd67495a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.647714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009946/publication.txt
observed 8d522e9e61a71455f8d4e7b2e4a82ca0...
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.