OpenTechnical

OT-2026-000074049

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000074049) never changes.

Identity and time

Publication numberOT-2026-000074049 · never reused
Internal UUID01a0ae93-2b8f-7c66-9539-f7b8cc548957 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074049
StatusPUBLIC

Content hashes

Canonical text79a00f1d972997a7a2c9db96379f732e9db59de8365ec701ccc731408097d0f2
Markdownb5526ccb18628eb16ab6391be7d3feb26ca0ba912a381bb5810d5d6fa2a2aa96
PDF
Publication page31e8d82518bf3317764aa9274221a25dd68b19a38cc03cbd549ad29413c51f6a
Manifestc2dd81a6bbf438cb81dd8b8af6939f6690f77adab3ef9ee6a744898321a80b05

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
Signature2tsQNsBk71vCbarmLWL1GWnPQ2C/Lr8epVC8TfM6t8TevuiLGxGOnNazNMpI59IktFuN8//sptZHHdQXi6hEBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:22.425618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074049
observed 31e8d82518bf3317764aa9274221a25d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.406921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074049/manifest.json
observed c2dd81a6bbf438cb81dd8b8af6939f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.390501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074049/publication.md
observed b5526ccb18628eb16ab6391be7d3feb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.371937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074049/publication.txt
observed 79a00f1d972997a7a2c9db96379f732e...
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.