OpenTechnical

OT-2026-000010899

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000010899) never changes.

Identity and time

Publication numberOT-2026-000010899 · never reused
Internal UUID01a0ae6c-540d-7ab1-aab3-46747a7f5f9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010899
StatusPUBLIC

Content hashes

Canonical textbd575dd3e7ec44f8b3d4cc61432d7d116a085c76e02709e960c466cb308d86a0
Markdownd82609a85b06b1321491ab8a3620479175dae57d23eaf39b26536ba53e5d51f7
PDF
Publication page1cefc6d6bd90699aff1ceec7db70811aa1d287bcf336435a583a89da9a159de3
Manifestc83c8d5613b7682cf220f975e03ff763291e1d134c9c0fb0edcd7d1e8a0b065b

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
SignatureAkJl2sx6Aa3VyyLg5CQFDUOJ74z/YbgOXb6YXCJ86SNzav1vD/eBZNqUtJEi/STCZxD3JQ4N2Tb6+4eom9ioAg==
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

2026-09-17T12:13:40.234440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010899
observed 1cefc6d6bd90699aff1ceec7db70811a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:40.214445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010899/manifest.json
observed c83c8d5613b7682cf220f975e03ff763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:40.192886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010899/publication.md
observed d82609a85b06b1321491ab8a36204791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:40.173843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010899/publication.txt
observed bd575dd3e7ec44f8b3d4cc61432d7d11...
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.