OpenTechnical

OT-2026-000097617

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000097617) never changes.

Identity and time

Publication numberOT-2026-000097617 · never reused
Internal UUID01a0aea1-92f2-7aec-98b3-2e22c2987f47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097617
StatusPUBLIC

Content hashes

Canonical text812e0dc90efce6443866ef2dadfe84ccbb6ee64ab34cb01bbe3bfa4dbc4994be
Markdown9aaa2ff2f901aeb04221575d91aee64ed5c41a40b2bece1118d90693b7c98b52
PDF
Publication pagec2c1d213097db7d91529cce109198c7314cd6c903c4dfaf06d1b3d8ba53cdc8f
Manifest1ebb803b42b413094a22462200f7b40584d0e78c281024a030435845528bc66e

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
SignaturemsMUhDjhMLSFbyGHSmVB5mmrQaizuIo3Hqq3AB3WCcaXZss1r/J2oCnP8ouEnwjcUszpGZEZQUo9ZXqru1QbDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:37.508619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097617
observed c2c1d213097db7d91529cce109198c73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:37.490173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097617/manifest.json
observed 1ebb803b42b413094a22462200f7b405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:37.471624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097617/publication.md
observed 9aaa2ff2f901aeb04221575d91aee64e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:37.454618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097617/publication.txt
observed 812e0dc90efce6443866ef2dadfe84cc...
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.