OpenTechnical

OT-2026-000091439

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three 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-2026-000091439) never changes.

Identity and time

Publication numberOT-2026-000091439 · never reused
Internal UUID01a0ae9c-f16d-7478-a95c-a844e210728d · 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-2026-000091439
StatusPUBLIC

Content hashes

Canonical text01f9ebb722e47c54f96be399b2d72828267f6d35b0e648e88b8a9a7e404cdb0a
Markdown7f2189f2f7c54ecfa4a53789599709b23a73fdfc6b1cc6e6dc743ae136d5745f
PDF
Publication page7d79d0ea2c8bb0d07ae8d54321242d4421834ded884ec252a9d11c27a376073b
Manifestf75d26d1475a18d02fbfef7f0a1a4d192c944ae541294289fcd4b3623aca2b61

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
SignatureXPZwox0xnzVKS7LQP68wANc8Hk0D3Ky6gCWrIxpB16xmHGi2GsMWE6KZ+MNkuMiOD5FmVB3ePF4SHlSAJI1GCA==
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

2026-09-17T09:43:40.950638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091439
observed 7d79d0ea2c8bb0d07ae8d54321242d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.931797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091439/manifest.json
observed f75d26d1475a18d02fbfef7f0a1a4d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.915166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091439/publication.md
observed 7f2189f2f7c54ecfa4a53789599709b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.897832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091439/publication.txt
observed 01f9ebb722e47c54f96be399b2d72828...
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.