OpenTechnical

OT-2026-000062269

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line 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-2026-000062269) never changes.

Identity and time

Publication numberOT-2026-000062269 · never reused
Internal UUID01a0ae8c-0abd-7297-a24d-c79eef91d253 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062269
StatusPUBLIC

Content hashes

Canonical text8a24b0c6caa33110c1b1b37b32d4e67e880e71ca4c74f2c1e0e6e90380e164ee
Markdown2a72fb61e3fe8bf63eb943896127ab2bc157047fdde833609028c5119c99ed2b
PDF
Publication page5f0d706f537ba6c8bb2eee5ce3b5885fd182a5d311c47b28707beaba41becb5f
Manifest10b9f9ce8d5ece7b59eb8b0d1ae68f32adf28716112bd9ac442b37789c5c89ae

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
SignatureD09MkUNcmvft+I04N9zDZYYY1lHu5luE3U/8WWAnAJCl8jkyRcKC6dtrtleetFwoXofJ55sAH6CqZoA3Htq6AA==
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

2026-09-17T10:39:33.066379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062269
observed 5f0d706f537ba6c8bb2eee5ce3b5885f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:33.049155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062269/manifest.json
observed 10b9f9ce8d5ece7b59eb8b0d1ae68f32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:33.031392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062269/publication.md
observed 2a72fb61e3fe8bf63eb943896127ab2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:33.013878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062269/publication.txt
observed 8a24b0c6caa33110c1b1b37b32d4e67e...
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.