OpenTechnical

OT-2026-000069741

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069741) never changes.

Identity and time

Publication numberOT-2026-000069741 · never reused
Internal UUID01a0ae91-185f-71cc-952b-526c0c3c4dff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069741
StatusPUBLIC

Content hashes

Canonical textadc09fa8feb0079a2ca624df12c3221613ff84dd2c080af749ae5e7b5f147a23
Markdowna70c0a862379059f7a229732b98068e5b171ceddf312d849a3a371cf25ecb409
PDF
Publication page8fee422775f7e021ad231547e3cd19e87f68d0619bc1e0899dc9bef2f7436ffa
Manifest14e11d5e56ff5b2e7acc6d53509c5021515f71da90347f875384bdca97879af8

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
SignatureOOovOR9UeFul3khkOJFPjDffwvU2NxnzdS1KAEAsImpmkJX4GG1npxWDPzOEzhu/QXUdh5BGnoQImZ3f6y3yCA==
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

2026-09-17T10:26:33.380843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069741
observed 8fee422775f7e021ad231547e3cd19e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.363979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069741/manifest.json
observed 14e11d5e56ff5b2e7acc6d53509c5021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.346709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069741/publication.md
observed a70c0a862379059f7a229732b98068e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.328649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069741/publication.txt
observed adc09fa8feb0079a2ca624df12c32216...
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.