OpenTechnical

OT-2026-000028085

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000028085) never changes.

Identity and time

Publication numberOT-2026-000028085 · never reused
Internal UUID01a0ae72-a520-70c1-a4b5-1d41d7095e68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028085
StatusPUBLIC

Content hashes

Canonical textf0dcc3e67ecd0a42bad640209e7b06680c474ad5964a0a598080c6ececf64c05
Markdown9e87d346eee265e1db9dfd12480a1c66b96765f6d5089defa58ff2dc5937b071
PDF
Publication pagef5046158d6de8c4168bba816a97c68d9a22b44c77a124fd1047c5a2e517698a6
Manifested257d49476f33a0df74d2f8002243d6efc3ee0ee275ab1d203fd12b64db8d91

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
SignatureFNCaIocM+jKbUGYy5r1wIGYkMmL13gD6eylxB+7Kuyd+tv8n/J3Vr3qfJPCxSGnv73yMe1+pqsrbWZIJt9JaBQ==
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

2026-09-17T11:42:11.331063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028085
observed f5046158d6de8c4168bba816a97c68d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.306867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028085/manifest.json
observed ed257d49476f33a0df74d2f8002243d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.288825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028085/publication.md
observed 9e87d346eee265e1db9dfd12480a1c66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.250370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028085/publication.txt
observed f0dcc3e67ecd0a42bad640209e7b0668...
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.