OpenTechnical

OT-2026-000067653

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented after 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-2026-000067653) never changes.

Identity and time

Publication numberOT-2026-000067653 · never reused
Internal UUID01a0ae8f-6bdb-793a-b985-b30e54d755ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067653
StatusPUBLIC

Content hashes

Canonical text036d873fead6c2761447171be22d236620e9a5f84279d845fb7f130655467d59
Markdown0c3036987d7ef88c691a6c5c26be0f9b53bc144d5cfbbb017846518dcbeb63ee
PDF
Publication page87fd24c33616bea5d44a9970742447548184be9d10839fb0d2016184a39f2017
Manifest8e36da0ecabb27f4a8426d8bbb2581e0a4dbb01aa855eec47ea7aeb5b3ae2da3

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
SignatureSwL7ZEo5uRwhhHBi2s1VNNh/fujX/b/T2I99ialIRM+1A9ZQXF9X/RKimSj7M4eYF7ttKszSgkvB3G5Kt4KSDw==
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

2026-09-17T10:31:58.930316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067653
observed 87fd24c33616bea5d44a997074244754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:58.913364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067653/manifest.json
observed 8e36da0ecabb27f4a8426d8bbb2581e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:58.897203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067653/publication.md
observed 0c3036987d7ef88c691a6c5c26be0f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:58.879123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067653/publication.txt
observed 036d873fead6c2761447171be22d2366...
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.