OpenTechnical

OT-2026-000092159

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, 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-2026-000092159) never changes.

Identity and time

Publication numberOT-2026-000092159 · never reused
Internal UUID01a0ae9d-875a-7d07-b9fd-7a7b5d168418 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092159
StatusPUBLIC

Content hashes

Canonical text2079d1057a89a13b44115d7e1a6dc89d434ce8d03d5d0110069940304f2f9d42
Markdown014c7e1d07c0d00eb547bda2475d39e033b7c138d75e121835876e419e9550ae
PDF
Publication page3084c10e61c4206cfd0346a5104ab354010c6332e5ec649651d6f4c7e0d9b24a
Manifestd10e9bb8cf3047e2c2c3fbdf8b70c7a71a923837ba5d34964da70219e851c712

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
Signatureyx4R+6KKkvSbE8mxW//XLWudvBP+dgbI5sShPSC4jaahW3tc5PCObM/MFKrYc1hgN2UX9cnk0e5Kpo76Kx5CCA==
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

2026-09-17T09:41:37.956986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092159
observed 3084c10e61c4206cfd0346a5104ab354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:37.936369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092159/manifest.json
observed d10e9bb8cf3047e2c2c3fbdf8b70c7a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:37.918648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092159/publication.md
observed 014c7e1d07c0d00eb547bda2475d39e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:37.900758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092159/publication.txt
observed 2079d1057a89a13b44115d7e1a6dc89d...
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.