OpenTechnical

OT-2026-000026017

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000026017) never changes.

Identity and time

Publication numberOT-2026-000026017 · never reused
Internal UUID01a0ae71-a83f-7ce8-92b5-02481ff4d7bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026017
StatusPUBLIC

Content hashes

Canonical text628b8e38cb83f9e22beff5782acc6872d87489cc0126835d9c7fd5be00472b7b
Markdown0ec8e5e2f4a67667ec6496630292caaf142a45a8f3121b3e30c7f3f56166c03e
PDF
Publication pageead96a89dada20f347f27ca47102fb2db1bd81ca758ec1eced4984d4eb317595
Manifest31ed7d45152508dd357d6b97d95bbd9180a86bea09b9a78c095b8cb21abee99d

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
SignatureuATPDsx5YSfVlxHMLbnI+WoO/WYyzHxBdaNCn/a1xljhyFRjmytfjjSjfDFpCu8URRDKjdLSogMDx7nAZEGVCQ==
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

2026-09-17T11:46:24.033012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026017
observed ead96a89dada20f347f27ca47102fb2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.016610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026017/manifest.json
observed 31ed7d45152508dd357d6b97d95bbd91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.000559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026017/publication.md
observed 0ec8e5e2f4a67667ec6496630292caaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:23.984668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026017/publication.txt
observed 628b8e38cb83f9e22beff5782acc6872...
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.