OpenTechnical

OT-2026-000030717

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000030717) never changes.

Identity and time

Publication numberOT-2026-000030717 · never reused
Internal UUID01a0ae74-3fb4-73d2-940c-f2f1ac20316e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030717
StatusPUBLIC

Content hashes

Canonical text67f7c427cc4dd9c52b9df987b7c3c12a0a4b4b07f975dc752b14f11122a0b2c9
Markdown4bf4e4ef37f03de49e6703c4f152f91ee63deb43397b580b2d6735a0250e0da7
PDF
Publication page25316b1e5aee1ea6792830e9d9cdfb1f7ee7d3bb1c549d2e7a26e4b1a8fcf6a6
Manifest18a83036eda54333d090c6c59da6a17fc65e86c3b271875f01c944aed289bb57

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
SignatureVPbPllG5Ld438MDnjF6e0lLAkhcIYkggtKqXkVAzu5oJfsry0GZKvLEWcgtLVnRjUIofWA9lnyYQ6Kt1eP1pDQ==
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

2026-09-17T11:36:38.615825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030717
observed 25316b1e5aee1ea6792830e9d9cdfb1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.597097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030717/manifest.json
observed 18a83036eda54333d090c6c59da6a17f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.579956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030717/publication.md
observed 4bf4e4ef37f03de49e6703c4f152f91e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.561173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030717/publication.txt
observed 67f7c427cc4dd9c52b9df987b7c3c12a...
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.