OpenTechnical

OT-2026-000061373

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000061373) never changes.

Identity and time

Publication numberOT-2026-000061373 · never reused
Internal UUID01a0ae8b-7b42-710f-b73d-885258d34115 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061373
StatusPUBLIC

Content hashes

Canonical text4566aaa46c80ba72913d18d13fd342e65d70dbd1a08be9c1fcb9095abc7d905d
Markdown7b8c78095d62196e6fc5460ea303c44bafb455095f2f52691046137579064e5a
PDF
Publication page883be8d608297b3fb1ae8bbe64194997478587223679f5ca7846c46172120a04
Manifest5e2a9bad0fc3485e6211133cc69ae5832fe348d52671d2020c925e74fa8d8a9c

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
Signaturej9Fv/bsD1/Ipf3rxlu7zn7SAyHuIXx4U034ya0oQOVJlNWNjc/SxY/PYGqxZAqwPAiJeYCWJ3UqIRLVc8gN5BA==
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...

Independent retrieval

2026-09-17T10:41:13.736402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061373
observed 883be8d608297b3fb1ae8bbe64194997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:13.718816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061373/manifest.json
observed 5e2a9bad0fc3485e6211133cc69ae583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:13.699651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061373/publication.md
observed 7b8c78095d62196e6fc5460ea303c44b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:13.680844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061373/publication.txt
observed 4566aaa46c80ba72913d18d13fd342e6...
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.