OpenTechnical

OT-2026-000023341

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000023341) never changes.

Identity and time

Publication numberOT-2026-000023341 · never reused
Internal UUID01a0ae70-7268-7cf0-b8c7-a4f675eda3a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023341
StatusPUBLIC

Content hashes

Canonical text3bd5ba4be8926fcaac1219c2ff334241722a2df3f15172bd65b37d18844c586a
Markdown039457e74d40303a57fee2cef586bba2429a9fa744af93186469de2bec6cf325
PDF
Publication pagebc2dd5bc272cb2a3413169f336665418408a432ac79e51934a2a35317551c304
Manifest2446f51f727ecc4e03ae3c3b50c364c9964860de21d602fe3f37f2e6556681c2

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
SignatureS0rNu/X5wYCafTMryPjhR5z3SMDWoxWcM05EhIkhFFg/yN+Z7FfoFSeQ6+Eyl0dKbj2E8CVWKxiZQkoSvV75AQ==
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

2026-09-17T11:51:25.964440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023341
observed bc2dd5bc272cb2a3413169f336665418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:25.948047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023341/manifest.json
observed 2446f51f727ecc4e03ae3c3b50c364c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:25.932250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023341/publication.md
observed 039457e74d40303a57fee2cef586bba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:25.915654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023341/publication.txt
observed 3bd5ba4be8926fcaac1219c2ff334241...
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.