OpenTechnical

OT-2026-000056584

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000056584) never changes.

Identity and time

Publication numberOT-2026-000056584 · never reused
Internal UUID01a0ae87-7af5-7645-8b82-d7b7de42b01c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056584
StatusPUBLIC

Content hashes

Canonical textafa7507d198ce479bb4aa4b974f69c676d7022a871030376a89e6d10a9d2ad5e
Markdowned88e71ea8b16d26dcbd90dc83e2a5f32907a896c3f24fca8b6f35a45df9d4cc
PDF
Publication page2cd534f445eae02e97c3855e29690f4f8dcd4760bc90455357007015ed2ab1f3
Manifest145c4dc9e0b557230ead8a4f4e613b74c7eccb956df154ebbbafd05b33e2dab7

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
Signature35YTw4cA2Qvg3HpMs6niKS6fGul79u4uU11T+B1V2V70Epb4GQTd2LkPq26l10yTqi1qPWUZqTccAhJp4kN5Cg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:55.727465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056584
observed 2cd534f445eae02e97c3855e29690f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.709695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056584/manifest.json
observed 145c4dc9e0b557230ead8a4f4e613b74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.661816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056584/publication.md
observed ed88e71ea8b16d26dcbd90dc83e2a5f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.615249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056584/publication.txt
observed afa7507d198ce479bb4aa4b974f69c67...
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.