OpenTechnical

OT-2026-000038921

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000038921) never changes.

Identity and time

Publication numberOT-2026-000038921 · never reused
Internal UUID01a0ae78-769f-7ac4-aef0-9c5177c97da8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038921
StatusPUBLIC

Content hashes

Canonical textaadf7c091adf1400e1bd49738dc076ded80ee23c3b94063427cdaeaa4d83e399
Markdowne822739634f18e7c93b4541bf5f16ef730a2759a4d917366843a8b7d77024fae
PDF
Publication page0b7a3c33c9648f6dd4b3f3abb088f8e6d5a12bbdd458b3d28a2ea71be16d37ba
Manifest7a89270771736084b552e8fd7a1bbb383ec95d48c41616e9353d4c111055a1cc

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
SignatureqD7yrIx+9VFmsiTlrewJxcAPFQ7XAEQygAQcTU4uDSFyUpAmQtSslLd06MEVFuIEabU/qXYho8W8/YlWYqHdCA==
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

2026-09-17T11:21:35.820471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038921
observed 0b7a3c33c9648f6dd4b3f3abb088f8e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:35.802639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038921/manifest.json
observed 7a89270771736084b552e8fd7a1bbb38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:35.783518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038921/publication.md
observed e822739634f18e7c93b4541bf5f16ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:35.765597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038921/publication.txt
observed aadf7c091adf1400e1bd49738dc076de...
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.