OpenTechnical

OT-2026-000029172

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, sustained 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-2026-000029172) never changes.

Identity and time

Publication numberOT-2026-000029172 · never reused
Internal UUID01a0ae73-2aa0-72f5-8bff-e27d5dbc25cb · 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-2026-000029172
StatusPUBLIC

Content hashes

Canonical textdbd5bcb5a73c1c6164721349120a417227128e8bc2a6e1bb5c3d1405447493c8
Markdown528efc3febabef54b5ef94611fe3821f0417c338b51f2c77adb83fd7d0fdbb12
PDF
Publication page8e7a7250935e3e64440e19b26fede30d712946d095636ec160c480bcafe5b8cb
Manifest0bd28deb079bb30cd66020f55ee2fad411b15ab78e8eaaac856d5da22853e51b

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
SignaturePR1J2sK4Ga9+uCwGIDKZl9cncqsoNIq0VqP64A1YbYewd+WA3BUTdhvtEF9T6CBt9MB+j5J/dk/0R+WtPzCHCQ==
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

2026-09-17T11:39:40.358348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029172
observed 8e7a7250935e3e64440e19b26fede30d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.341146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029172/manifest.json
observed 0bd28deb079bb30cd66020f55ee2fad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.321790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029172/publication.md
observed 528efc3febabef54b5ef94611fe3821f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.303180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029172/publication.txt
observed dbd5bcb5a73c1c6164721349120a4172...
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.