OpenTechnical

OT-2026-000057416

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000057416) never changes.

Identity and time

Publication numberOT-2026-000057416 · never reused
Internal UUID01a0ae87-d5be-7fc9-8f65-0699adc31222 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057416
StatusPUBLIC

Content hashes

Canonical text34600297bf93d8546e622371919d0d7adfab889a370b3d59c36368da12d6cdeb
Markdown566ae3758d6cae86941ba76243ef4c85847fd575c52ae9192d1eacc4ab5ee0c5
PDF
Publication pagea4578441910221be2bcc112a7e92e84ff962ce240cbd82211621aef1fc42094b
Manifest9d2c43c2907b00028a352b7d24a2167211842b3c833469bf8c7e4e2c9a4be761

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
Signaturexe4R9C3Zn9lr3RsXNC8ZTfglv927H63NVVQWHBnvj2z4CKHPGB0rk9kWeVKHKyR2RY2GHQc0u8W5u0L7bXGTBg==
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

2026-09-17T10:49:42.390097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057416
observed a4578441910221be2bcc112a7e92e84f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:42.371388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057416/manifest.json
observed 9d2c43c2907b00028a352b7d24a21672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:42.353614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057416/publication.md
observed 566ae3758d6cae86941ba76243ef4c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:42.335783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057416/publication.txt
observed 34600297bf93d8546e622371919d0d7a...
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.