OpenTechnical

OT-2026-000013119

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000013119) never changes.

Identity and time

Publication numberOT-2026-000013119 · never reused
Internal UUID01a0ae6d-6fc8-7b6c-9cf0-ccce3affac7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013119
StatusPUBLIC

Content hashes

Canonical textd45424fd74cd4af75f6269807b76359538ff79f9a914f1837f9773049bbbbfec
Markdown922b684eab860dd906021d8e204637abf5266369f790e018775dc10e3fb497b5
PDF
Publication page8bb0ce4c4037f59c6f213392fa7669afed792b1f8dbc015137c6383d7c8f1c74
Manifest739ade4fd453497f96ddbe9121ffd9ae7a266df7951da20803ca5fb9f179aa96

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
SignatureaABYKudFVzi/QjIqgdhluUnQQEKBOzidSESBIiQgNXM99doBWaAtu3XV8Hmk8q1Tqdr4VIDPe5WN+/lUUCdSAQ==
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

2026-09-17T12:09:24.404900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013119
observed 8bb0ce4c4037f59c6f213392fa7669af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:24.386435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013119/manifest.json
observed 739ade4fd453497f96ddbe9121ffd9ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:24.368039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013119/publication.md
observed 922b684eab860dd906021d8e204637ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:24.349415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013119/publication.txt
observed d45424fd74cd4af75f6269807b763595...
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.