OpenTechnical

OT-2026-000029033

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000029033) never changes.

Identity and time

Publication numberOT-2026-000029033 · never reused
Internal UUID01a0ae73-2a9f-71e1-9dbb-36e96eacd41f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029033
StatusPUBLIC

Content hashes

Canonical text2f0d1e8ebca6ca6ba3f1ed1365c90fe98e5f9fb6facc36453ff003f77a7aec7e
Markdown2be2b6b71f3db0c3febd7369ef54a83c52834bc4e361669473e8a9c73d7d0742
PDF
Publication page4ac85d4966edd21b66986906a4d1270f6cc05a1b30d8cce40c368461c8d52db5
Manifestfaad29060dbaefc7ccd1295312df027dd4ad486a9d50619015f021dcc97ca015

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
SignatureSMZDWGU7ZjjdHPT+1n5dWS6j3Yiy49cpOCRvStyBTShqCTr/iVP13TcXF8UM7nMKKm+kfMJT//NnOFo2aX7oBg==
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

2026-09-17T08:20:38.681471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029033
observed 4ac85d4966edd21b66986906a4d1270f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:38.522864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029033/manifest.json
observed faad29060dbaefc7ccd1295312df027d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:38.497367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029033/publication.md
observed 2be2b6b71f3db0c3febd7369ef54a83c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:38.475925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029033/publication.txt
observed 2f0d1e8ebca6ca6ba3f1ed1365c90fe9...
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.