OpenTechnical

OT-2026-000012888

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000012888) never changes.

Identity and time

Publication numberOT-2026-000012888 · never reused
Internal UUID01a0ae6d-5563-707f-aacc-8dea99e75193 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012888
StatusPUBLIC

Content hashes

Canonical text0406f2428b97789d900b5ed7b20c5466b4e4b6ec4eb2b674a82bb08fcea4ce46
Markdown0e828190b826c4d426ca91a9c6f82e34aa7d81ae548a79efe16746b44572356d
PDF
Publication page9450e87ada401029d45a6ab14f36d67d4fd5837d28c910be7a962d368fb7bbd1
Manifest1ea01d67486a89343ccc4ebe4a24387f55f8ffaa4e641d2b6a9eab28ff7e2f46

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
Signaturelp++60eGg7MoslEG77Y8vayDGnjYuCwxhIZ9Rlzp4Ptm+o7WIU2JOO5sZu6acAWn6JaX6leUN2A+hdDhLa5ZDQ==
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

2026-09-17T12:10:40.655706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012888
observed 9450e87ada401029d45a6ab14f36d67d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:40.635670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012888/manifest.json
observed 1ea01d67486a89343ccc4ebe4a24387f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:40.610540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012888/publication.md
observed 0e828190b826c4d426ca91a9c6f82e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:40.592183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012888/publication.txt
observed 0406f2428b97789d900b5ed7b20c5466...
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.