OpenTechnical

OT-2026-000048578

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048578) never changes.

Identity and time

Publication numberOT-2026-000048578 · never reused
Internal UUID01a0ae80-4de7-7476-aee8-be7e37c89fa5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048578
StatusPUBLIC

Content hashes

Canonical textd1e933aadc36a98389e10d19e8b794a06a125c2f74ee4f5d049b050826e6a1d8
Markdown9896d9c584e3c319592cc3aa775ba413fcee2c807178c754148395569375941d
PDF
Publication page930ff92a78dc202a3ce6d364c85aec5452905d32b78b6e8056512e6dd44394e7
Manifest4fee097dd98e5d172dd3d4c2b8d5f6eb51c37f8b2c57e688be3d3534a384918b

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
Signature1kmLzTvZAPVlH1OWAn9VgAtzI5GVmJCJ4YGrAjz1fEYRaN5l1Ko47pwgtAvM37Sm4mqlsMS5ss7kdj0Fsfj8DQ==
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

2026-09-17T11:05:23.022907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048578
observed 930ff92a78dc202a3ce6d364c85aec54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.005427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048578/manifest.json
observed 4fee097dd98e5d172dd3d4c2b8d5f6eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.987237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048578/publication.md
observed 9896d9c584e3c319592cc3aa775ba413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.968384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048578/publication.txt
observed d1e933aadc36a98389e10d19e8b794a0...
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.