OpenTechnical

OT-2026-000078919

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078919) never changes.

Identity and time

Publication numberOT-2026-000078919 · never reused
Internal UUID01a0ae95-ccbd-71ae-a688-73f155e693d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078919
StatusPUBLIC

Content hashes

Canonical text148426ce3888256185cd2c33443e3e8e9459b4441cbc0da5b803a23f3216f4c5
Markdown87dc3b016d8e71d27b8e11b54a0250ba8b108b23699683e123b30cc20c740cc7
PDF
Publication pagec12fe7dd21b7dac9cc8d82a3f5a7b7743a3979f2989ffea40d70fa73b8416402
Manifest4cb3e8af5f5cc951152d899a6b67ed96377ad50fab94372f359bbb2fdd9d8ebb

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
SignaturelzkZnoPHZSi+JgA+l0Qt27SaLV1bcs/8c1Z7gli7Iv1CJ0t/azgwYm6naVvq06l8Q1bUNsUCFzIN5PNtbYcEAA==
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

2026-09-17T10:05:44.437109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078919
observed c12fe7dd21b7dac9cc8d82a3f5a7b774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.420379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078919/manifest.json
observed 4cb3e8af5f5cc951152d899a6b67ed96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.403872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078919/publication.md
observed 87dc3b016d8e71d27b8e11b54a0250ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.384791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078919/publication.txt
observed 148426ce3888256185cd2c33443e3e8e...
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.