OpenTechnical

OT-2026-000033412

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single 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-2026-000033412) never changes.

Identity and time

Publication numberOT-2026-000033412 · never reused
Internal UUID01a0ae75-8980-760f-97b4-190ececbdc1d · 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-2026-000033412
StatusPUBLIC

Content hashes

Canonical text622feac0aff5ce551b0b86faf9bf58ac9086d92261623d75fdf0d15c37e7b2dd
Markdown32ecbae2164065c6a674993353f2435a44917b770b592f9f96c7244e50fdbd3f
PDF
Publication page356721632f55a90bc6d3dcbcd58cc94b9019a7b922dcae7babc24606c54300eb
Manifest3109ec89568915a74d714f698abda748c88b9f8606373c6b8e5e55f3cb49c44c

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
SignatureVNg15WNxBvNh7nI51fktLLKPLNY4qlzlEnP6FKQvxaXxtpP64teMS8qOckCHea1/RKJRvfTpp86Vba64+65GAw==
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

2026-09-17T11:32:11.713788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033412
observed 356721632f55a90bc6d3dcbcd58cc94b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.694736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033412/manifest.json
observed 3109ec89568915a74d714f698abda748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.675790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033412/publication.md
observed 32ecbae2164065c6a674993353f2435a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.658858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033412/publication.txt
observed 622feac0aff5ce551b0b86faf9bf58ac...
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.