OpenTechnical

OT-2026-000087842

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line 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-2026-000087842) never changes.

Identity and time

Publication numberOT-2026-000087842 · never reused
Internal UUID01a0ae9b-1aa5-7f54-ab5a-1609d812246d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087842
StatusPUBLIC

Content hashes

Canonical text01148f10fe6d564106a3c306c9832eca4954477b34d720c2a1d54ca75aa066ac
Markdown4ab273e03405659e00d8e64d05354e22628a49b9416961d41fb0a2a75033ac81
PDF
Publication page822d25686b5698710a563ecd3388b2e4da26b64df096b62595856386252828de
Manifest48f0d09597f0997e366f9c0193471155addb27646833ed3ebadfaa7da1a5e34f

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
Signature+HpY14MobCFYwKrvnzgxuigAh2TOI+llwWl7ZccdSgTsRMXE1QKNyDjSplH2k4h6DbVWMoRTGeBCEljTg+M+Cw==
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

2026-09-17T09:49:04.979368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087842
observed 822d25686b5698710a563ecd3388b2e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.959451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087842/manifest.json
observed 48f0d09597f0997e366f9c0193471155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.938711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087842/publication.md
observed 4ab273e03405659e00d8e64d05354e22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.920246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087842/publication.txt
observed 01148f10fe6d564106a3c306c9832eca...
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.