OpenTechnical

OT-2026-000093831

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line 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-2026-000093831) never changes.

Identity and time

Publication numberOT-2026-000093831 · never reused
Internal UUID01a0ae9e-508c-732a-91bf-cd101db33553 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093831
StatusPUBLIC

Content hashes

Canonical texta0decce0d12f7c19eef2599477fdea6341e49a6aefa5939a4bcc1f5c2d116811
Markdown8c13ce06f43895f7a35c114427a40eec9f4e1a2bd303db068a6c7a230532c644
PDF
Publication page75d3d9a338b2f1ba83d8d4133b168c1b7fa1404b67f6ba3854f17de2f7a11c12
Manifest916a20d0a60ad259f29005e8664558aac32b44e6d987df90ef9e9ae7377d91ca

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
SignatureQKftGm/FIE4ueC7ZmIR0D2jt7A2f8cUahHt+G3fw4Db5ILoWa41Y6J+amg0YKBV/V7h3iZXu9/QBDZ+wiwMtBw==
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

2026-09-17T09:39:56.677577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093831
observed 75d3d9a338b2f1ba83d8d4133b168c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:56.660245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093831/manifest.json
observed 916a20d0a60ad259f29005e8664558aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:56.642301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093831/publication.md
observed 8c13ce06f43895f7a35c114427a40eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:56.623067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093831/publication.txt
observed a0decce0d12f7c19eef2599477fdea63...
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.