OpenTechnical

OT-2026-000029612

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000029612) never changes.

Identity and time

Publication numberOT-2026-000029612 · never reused
Internal UUID01a0ae73-5e22-77d0-82cb-a74afd6fcefe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029612
StatusPUBLIC

Content hashes

Canonical textae1793a7611d03daae840c4fccda3ed81b3648df7b183dc3bb71eae073ca4bd7
Markdown2f7d6e52273f90aeb9ca369044bd92e5cec8f6c3aa821c09ce72faffa519e986
PDF
Publication page9da9ef4cd286d394399a7d2bf887f480cd5461fd378e06f664676a121186a885
Manifest9695eb71bdd2a3a3cb345a77c2247e8010c019801ef9dc761862cdf1ee9e30cb

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
SignatureCRFD+FkhywAMxRzhA3VU0Ry1RetAfJkEwv2kkvIsXDzO2G23L2FfXIRvHSrpIbg7qMstTIpRbkIDy193LvbPBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:39:18.977256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029612
observed 9da9ef4cd286d394399a7d2bf887f480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:18.957871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029612/manifest.json
observed 9695eb71bdd2a3a3cb345a77c2247e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:18.937937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029612/publication.md
observed 2f7d6e52273f90aeb9ca369044bd92e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:18.919934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029612/publication.txt
observed ae1793a7611d03daae840c4fccda3ed8...
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.