OpenTechnical

OT-2026-000032403

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed 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-2026-000032403) never changes.

Identity and time

Publication numberOT-2026-000032403 · never reused
Internal UUID01a0ae75-106e-7707-b222-24ead0972d01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032403
StatusPUBLIC

Content hashes

Canonical text28d1dc717b64092c3b721fcedc525ab8d3875d129635ff42511e5f52d28f398b
Markdown74946ae72b93a533e14674ab1da83ace9311455fc3c2e21fb06d5200878adcff
PDF
Publication page4db15bf9f44891b89745e86c241388fd8a949894ea7771c921fced00ef069014
Manifest9c90fff97bf902677ed91c3974adeb34bd82c5637f6c04c79b990cb5cefe7a07

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
SignatureAECaANR3rfYpzRXuayeB0BkOo12OplE2zPa3EEW9AdWUf38QOvFf+9t9vPbG5oBwqMod40NcuEzFb5XEh7WOCg==
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

2026-09-17T11:33:49.067799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032403
observed 4db15bf9f44891b89745e86c241388fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:49.048799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032403/manifest.json
observed 9c90fff97bf902677ed91c3974adeb34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:49.031650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032403/publication.md
observed 74946ae72b93a533e14674ab1da83ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:49.013605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032403/publication.txt
observed 28d1dc717b64092c3b721fcedc525ab8...
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.