OpenTechnical

OT-2026-000088734

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088734) never changes.

Identity and time

Publication numberOT-2026-000088734 · never reused
Internal UUID01a0ae9b-8f10-7bfd-a4be-5a325d860dee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088734
StatusPUBLIC

Content hashes

Canonical text1aed601991dda4b089fe6c5ce6a0e43ebc67db0157e8184908a3fcf3d60a0926
Markdown6a8582073781869417d9484428517e3df9f2f42845266666879ca26d37a7688b
PDF
Publication pagef388122c266a5730eb2614f3d6f7f6fc0b07d7f8cb0deb9abedaad99d0ea0b05
Manifest76dd170328eb8f72f577321c1db4b29f53600efc8086b3bc34ac71221a5bf8d9

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
SignaturezfzITaoD8e/jzuIPci6n1ft7DAQpKZHhN6Vq3FBJRlJLpX5xV/CKswoeBAJmcS0naUDRFPDhSJe9wTzPBHIjAg==
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

2026-09-17T09:47:58.703820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088734
observed f388122c266a5730eb2614f3d6f7f6fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.684503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088734/manifest.json
observed 76dd170328eb8f72f577321c1db4b29f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.666388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088734/publication.md
observed 6a8582073781869417d9484428517e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.649668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088734/publication.txt
observed 1aed601991dda4b089fe6c5ce6a0e43e...
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.