OpenTechnical

OT-2026-000087834

Publication integrity record

Foam pad 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-2026-000087834) never changes.

Identity and time

Publication numberOT-2026-000087834 · never reused
Internal UUID01a0ae9b-1aa5-793b-8020-e4950c63aed4 · 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-2026-000087834
StatusPUBLIC

Content hashes

Canonical text040ff41f03effad8c53a8f33af3613dd75999d810c6299452eb2873a3d7b7647
Markdowna5f697e09e03c06c56f6bb97a0dd2f10a0615d930152ea058b318b7de9557d95
PDF
Publication page9241487234e9a5801d4f354b78cec99f7a3d4bdb2a71b0e21660111c5c8e5695
Manifest7f8e560d667922d9d41bd08f9e335dc2c1cb3268bf4a026b46ab9b4def0afe85

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
SignaturewFyu+ANBKMGEQXG2nS9KcKvakDhZXEPRQMrwcJLqS4dOI2xO7Q0ZhBa9NgspQZSZRj/UgU4J//uj7CiInkF1BA==
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

2026-09-17T09:49:02.346670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087834
observed 9241487234e9a5801d4f354b78cec99f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:02.318890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087834/manifest.json
observed 7f8e560d667922d9d41bd08f9e335dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:01.062079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087834/publication.md
observed a5f697e09e03c06c56f6bb97a0dd2f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:00.968561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087834/publication.txt
observed 040ff41f03effad8c53a8f33af3613dd...
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.