OpenTechnical

OT-2026-000066431

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000066431) never changes.

Identity and time

Publication numberOT-2026-000066431 · never reused
Internal UUID01a0ae8e-ce40-729f-a435-c4c5f1e7390d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066431
StatusPUBLIC

Content hashes

Canonical text7e58006a6bfb50180d32c91bed5d9b95df8abc193c3a7a709b671314a861e93f
Markdown68a5b30af4624a4ccab712ee50142c5a99640057e8d32f09cbd139d7fc565dfd
PDF
Publication page68ccf09c637b0f445f390ce1aeeae6fbe3727166af5b26f3909e78d6afa5f949
Manifestcc161dce5e92ff7a87740d99dd68f00ccdaec5e27687acb19fc7135e95ab908a

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
SignatureB4AOlrCv7hXZi81VDpS793jncSdnEWGo+dAdQ4ZSqfJ2LBiDrrunBOPQ3ed9/snQJXJywyi7BC4ZM4nVJsgADA==
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

2026-09-17T10:32:40.499205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066431
observed 68ccf09c637b0f445f390ce1aeeae6fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:40.481275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066431/manifest.json
observed cc161dce5e92ff7a87740d99dd68f00c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:40.464290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066431/publication.md
observed 68a5b30af4624a4ccab712ee50142c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:40.446098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066431/publication.txt
observed 7e58006a6bfb50180d32c91bed5d9b95...
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.