OpenTechnical

OT-2026-000089615

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single 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-2026-000089615) never changes.

Identity and time

Publication numberOT-2026-000089615 · never reused
Internal UUID01a0ae9c-1a21-7248-b8cd-baf3407d80ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089615
StatusPUBLIC

Content hashes

Canonical text9393f892422701c24483d2c0d5b48215b2251a75911ae3285c0a615039f62651
Markdown55eebbbd45a4d78e26455859ba8bfe1b12aecfa38d631148249c31e65ec99aa6
PDF
Publication pagef3dacfd29e5a9f64004b416991621f4e69d48be370f715a724311c84babb24ac
Manifest864d1d96eb86b5a727dfbd08b396f015f06d352e50485d0cf745f12d3130e1f4

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
SignatureZcOyimkpPQ2sWEI6Ak687evNgpNNQygv+3zfa3phf4OADBR3FNhvmBg9TNI5/K7iYPD1aa41tRC8otliQiB8Cg==
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

2026-09-17T09:46:35.865813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089615
observed f3dacfd29e5a9f64004b416991621f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.847161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089615/manifest.json
observed 864d1d96eb86b5a727dfbd08b396f015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.829877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089615/publication.md
observed 55eebbbd45a4d78e26455859ba8bfe1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.812067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089615/publication.txt
observed 9393f892422701c24483d2c0d5b48215...
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.