OpenTechnical

OT-2026-000033409

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off 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-2026-000033409) never changes.

Identity and time

Publication numberOT-2026-000033409 · never reused
Internal UUID01a0ae75-8980-779f-8645-1b91561ef1d0 · 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-2026-000033409
StatusPUBLIC

Content hashes

Canonical textcd5268fbdf2700d2e25026824b317e4958b3834a4e4cae2c29a3da6d1c36ac06
Markdownf6e46a8589da7171a41fde1aac4ed1821529aa85a69e99dc4aa521a0ea6f38ec
PDF
Publication page26a1cef84d8f5d3b66f68eafd5b88c98cdd5ddb7adc87b6c52d9464eb14f3fcf
Manifest6906864e94cd50dca78795eed63082adb123824c765422c733cdb482bf4f1b5d

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
SignatureOxlmnczuugbDrX8mBiN7TnoIiWL/waqjK2iqhYcPsGSABNmH7EpT8o16QiPDIP35/hi+5lfeY4ZA7AtlCoqbCg==
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

2026-09-17T11:32:11.491843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033409
observed 26a1cef84d8f5d3b66f68eafd5b88c98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.473565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033409/manifest.json
observed 6906864e94cd50dca78795eed63082ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.456158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033409/publication.md
observed f6e46a8589da7171a41fde1aac4ed182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.437978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033409/publication.txt
observed cd5268fbdf2700d2e25026824b317e49...
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.