OpenTechnical

OT-2026-000006381

Publication integrity record

Vacuum cup gripper, per zone isolation, six outlet manifold, pump fed, silicone cups, oval form

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-2026-000006381) never changes.

Identity and time

Publication numberOT-2026-000006381 · never reused
Internal UUID01a0a958-fb7c-792b-a79c-f04955c1c89d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:32:56.190910Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006381
StatusPUBLIC

Content hashes

Canonical textc58b1fba220ec0d3271ded369477e8753b8d3f7e2a9ffa69a0aa886c6dff00d1
Markdowna080dfa89bbb8fd9adc1007524670a01aae24abaeaa17b072a155efaa016c651
PDF
Publication pageaa6a4d250aab65e2ee24cb3e1e6935f88fe6f149ba71eb9f4e0d0729b87f3f0d
Manifest09826594a9ad7968bedc4f7eabacd9933d4eb388db301f3398d946ef459649e4

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
SignatureBL33G9H0EgXNN8Q8qeLC1sjkODFtWgdpER+wD5jVxqKW2MllZXEHk0oOOYy7WjbAqTpTqv0zS8i2xRyt2+RaAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T16:42:38.117446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006381
observed aa6a4d250aab65e2ee24cb3e1e6935f8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:37.790128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006381/manifest.json
observed 09826594a9ad7968bedc4f7eabacd993...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:37.514494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006381/publication.md
observed a080dfa89bbb8fd9adc1007524670a01...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:37.189488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006381/publication.txt
observed c58b1fba220ec0d3271ded369477e875...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:40:24.432409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006381
observed aa6a4d250aab65e2ee24cb3e1e6935f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:24.415946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006381/manifest.json
observed 09826594a9ad7968bedc4f7eabacd993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:24.403967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006381/publication.md
observed a080dfa89bbb8fd9adc1007524670a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:24.389887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006381/publication.txt
observed c58b1fba220ec0d3271ded369477e875...
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.