OpenTechnical

OT-2026-000011534

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000011534) never changes.

Identity and time

Publication numberOT-2026-000011534 · never reused
Internal UUID01a0ae6c-88ff-7b1f-8935-3be1225b5070 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011534
StatusPUBLIC

Content hashes

Canonical text08693814a3412fe008451347a2a9035a52d091e32a67e36f7bd7b93dba3311a7
Markdowne53b72b5d41f07b5ffc866d9de0dc1630eda8486ba76e9073ffa655825203d9e
PDF
Publication page18748c2cd91577538df5300b0fdf3727b17d463259ebd7ccbff472c6ad231862
Manifestc568c4d8238a1a70e04c0b5f7814ed63193f3f99bf87240602b296858bf1fef1

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
Signature8jZD3DTcUCVa7K5VDq1SQNmAQEcRhHP05en/zK57R0ppHprgiMxDd6NV12Zsq3zVh5WXPlphMrBFRtXuMO77Bw==
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

2026-09-17T12:13:19.460946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011534
observed 18748c2cd91577538df5300b0fdf3727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.445215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011534/manifest.json
observed c568c4d8238a1a70e04c0b5f7814ed63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.428875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011534/publication.md
observed e53b72b5d41f07b5ffc866d9de0dc163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.411219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011534/publication.txt
observed 08693814a3412fe008451347a2a9035a...
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.