OpenTechnical

OT-2026-000029144

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single 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-2026-000029144) never changes.

Identity and time

Publication numberOT-2026-000029144 · never reused
Internal UUID01a0ae73-2aa0-7a7d-8f5d-1e37def020e2 · 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-2026-000029144
StatusPUBLIC

Content hashes

Canonical text5100c34b694d4e3990fcd1fb0ce6f5c14a559a373ba1aef91bc7a98a2cdb0f24
Markdown45a5cf0c6a787540922d871032dd2feadb6808d6eac144ffe12b4c7ebad2f876
PDF
Publication pagecdee97bfe3e464f98c2fd6d224239dd0fe55f62fd9e32080fa660311cef08bcc
Manifesteb76978edd63749d347272b883aed34703dcd2931ab06b3f0cba348175a71e56

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
SignatureRBQeX1ESlyqGbK1X4+Lz+GWkHbCAl+mcZi7aOOUDn2Q82AsphjkgNhbBq3pR8g1s/sgy08KiSDspdsyP40BiBA==
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

2026-09-17T11:39:37.867796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029144
observed cdee97bfe3e464f98c2fd6d224239dd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:37.851822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029144/manifest.json
observed eb76978edd63749d347272b883aed347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:37.835819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029144/publication.md
observed 45a5cf0c6a787540922d871032dd2fea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:37.810882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029144/publication.txt
observed 5100c34b694d4e3990fcd1fb0ce6f5c1...
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.