OpenTechnical

OT-2026-000033304

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000033304) never changes.

Identity and time

Publication numberOT-2026-000033304 · never reused
Internal UUID01a0ae75-8980-708c-a3dd-7429f11d5560 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033304
StatusPUBLIC

Content hashes

Canonical text7ec5f365092b8c36767e40b485ef1a61b4e67108435e113f541bafb3788b3ffe
Markdown2f646929d100c0272fd3c95cd0a90670203b2a316df1eae63488d861aa32ba9c
PDF
Publication pagec4c2238c7cc1e555e1dde314ce1366a40e899341058580ed19a5f5747c275b9d
Manifest9eaa04736818557d06e81148a8096a828ce778a6851ae59caa6cbda99c7bd61a

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
SignatureLAnAyTnEUix4OY1IA/jBed743yk1IxK+SgwXvf/3rCcgktv42164kJCb4dYPOs9aHiVWzm7t9+aa/R57xEQuCQ==
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

2026-09-17T11:32:03.053856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033304
observed c4c2238c7cc1e555e1dde314ce1366a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.038070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033304/manifest.json
observed 9eaa04736818557d06e81148a8096a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.021780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033304/publication.md
observed 2f646929d100c0272fd3c95cd0a90670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.004750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033304/publication.txt
observed 7ec5f365092b8c36767e40b485ef1a61...
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.