OpenTechnical

OT-2026-000060896

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000060896) never changes.

Identity and time

Publication numberOT-2026-000060896 · never reused
Internal UUID01a0ae8b-12f1-7095-becf-959e3904cf13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060896
StatusPUBLIC

Content hashes

Canonical text786272c3ee2e2636e6feafd6d37f9241a8554a6a9a839775b284a371be7004c1
Markdownb72729005eaf5ee8e6add15ef3f3781f017e42ac9ea18900dc5f391d79007031
PDF
Publication page8d5b8e4453f1965c8b83ad74e9d360a643050d63ec722dc201da7af2d537f886
Manifest8c8e294362b14c9ff50479f8fd47ead51d80abbef141a9479e4dad7b11ca077f

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
Signaturer5TZUWw2GgqxbC8nCRRPZ63vHf03757KKyGPwfNWfV2lciAHbrWiF0c7fk76Sar2LeLPXNaMWeEUWVFivU4LDQ==
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

2026-09-17T10:41:38.155192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060896
observed 8d5b8e4453f1965c8b83ad74e9d360a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:38.134607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060896/manifest.json
observed 8c8e294362b14c9ff50479f8fd47ead5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:38.112389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060896/publication.md
observed b72729005eaf5ee8e6add15ef3f3781f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:38.091933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060896/publication.txt
observed 786272c3ee2e2636e6feafd6d37f9241...
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.