OpenTechnical

OT-2026-000068550

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000068550) never changes.

Identity and time

Publication numberOT-2026-000068550 · never reused
Internal UUID01a0ae90-2482-7bff-8ce7-6d767f1ccde8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068550
StatusPUBLIC

Content hashes

Canonical text758248e46aea7564cb4fe37e8c4c0adaea1fd7194eda5192405fd6ad3bd07a6e
Markdown15836a361afa639bab89061e893399241d1356929f3b961b17a6539e68fdb6d3
PDF
Publication page9fbe0d6db8f25a828e16289ffb481896295629ae142eac6b896d1da824816cbe
Manifest66dfd277df31259d23694723fb93042e1d9328c30ae284a36491cea0d197c032

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
SignatureiU8QRHvXDK9bSECNJS/blgaGWIYTnvxCfNQghWEScVu+OWPfUwd01Y7bnc/kUMc+weG9lt3/ru7nN//h2T3pBw==
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

2026-09-17T10:29:43.040659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068550
observed 9fbe0d6db8f25a828e16289ffb481896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.023565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068550/manifest.json
observed 66dfd277df31259d23694723fb93042e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.006468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068550/publication.md
observed 15836a361afa639bab89061e89339924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.989562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068550/publication.txt
observed 758248e46aea7564cb4fe37e8c4c0ada...
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.