OpenTechnical

OT-2026-000091184

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091184) never changes.

Identity and time

Publication numberOT-2026-000091184 · never reused
Internal UUID01a0ae9c-f16b-7498-8969-08530ab63363 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091184
StatusPUBLIC

Content hashes

Canonical text8f0a11a59c8981c1157516d640340b13ec31e604e91b14cf3a7ca66b05ae4757
Markdown03ee091e089f3b8ad934cd771808350f21fddd30250d1ee835be1f78bd18224a
PDF
Publication page52237fd0666368a4efb9d21e165a5116c2fec55180db96fe9f4627d72ce8c6b6
Manifest75cbe1bfb81ab3d1166d2ed71566c60dd61c8d82a886b311cf7391cefe0cf450

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
Signatureym6PaBiCKlBr+ftlQS1GI5i4gyx7uy2AhVzU83wUnBkXiZeKbD3gDL5vcn9m0BmpZa7R8TAGbcPOszxsfrqjDA==
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

2026-09-17T09:43:20.684890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091184
observed 52237fd0666368a4efb9d21e165a5116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.666652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091184/manifest.json
observed 75cbe1bfb81ab3d1166d2ed71566c60d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.648643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091184/publication.md
observed 03ee091e089f3b8ad934cd771808350f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.631245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091184/publication.txt
observed 8f0a11a59c8981c1157516d640340b13...
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.