OpenTechnical

OT-2026-000053211

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000053211) never changes.

Identity and time

Publication numberOT-2026-000053211 · never reused
Internal UUID01a0ae85-0a14-75e1-86b0-571550f4a281 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053211
StatusPUBLIC

Content hashes

Canonical text70a73e43de3b7fc0611a0bad2988154b6fed535c6597ddb1d6f0bdd172ef37ed
Markdown925b55622ec3e55fc5f491e3b00c8bac7f213feecd302e5c3bc479f1b8012c2b
PDF
Publication page659b574ed1e9c103504f6782da404d8f7138cec74523deb85e70c86046fb1572
Manifest6795e3ffcf392a82db5d40b5c23d2d860ac46fbb6adfb130bd15645c2abb44c8

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
SignaturenCD4kZxJ9Z73MBI7PCoS97IBzr/mo+S5hEnYFQZMmizSy7c+PcSU6QmqoVGbMTCTvgxZ87ZXQd22vBXOj8l5Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:49.562843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053211
observed 659b574ed1e9c103504f6782da404d8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:49.543507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053211/manifest.json
observed 6795e3ffcf392a82db5d40b5c23d2d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:49.524573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053211/publication.md
observed 925b55622ec3e55fc5f491e3b00c8bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:49.505749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053211/publication.txt
observed 70a73e43de3b7fc0611a0bad2988154b...
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.