OpenTechnical

OT-2026-000076803

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000076803) never changes.

Identity and time

Publication numberOT-2026-000076803 · never reused
Internal UUID01a0ae94-b070-71a4-b5fd-638d7891bd4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076803
StatusPUBLIC

Content hashes

Canonical text62d42daf0b7ff25ad2f0f19a1d2582f5ee21ac6c8a2af6eff545cb4026bd6826
Markdown238ab9f5e98d7069a0c5a26961c4334cd357bf83978148c52dc7f6d482f80797
PDF
Publication page93eebbbf1c31ce9fc78d79c6fc268c62e5ecde0ccce4495a13edc7d2144c5a79
Manifest01c2fc3d954b12c2c0cc0b00dc60dec12012c916930ecb55f06a9bd57146e6fb

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
SignatureLrp81m3xP0MWiyzrUgNEkAaDVobxXFq6h2e/9zlJ65g8xWyKlyMGvdZ/i5ZW+Z+1dM6XvlCjwM/KAP9iaWOSAw==
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

2026-09-17T10:09:40.188626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076803
observed 93eebbbf1c31ce9fc78d79c6fc268c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:40.169647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076803/manifest.json
observed 01c2fc3d954b12c2c0cc0b00dc60dec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:40.149504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076803/publication.md
observed 238ab9f5e98d7069a0c5a26961c4334c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:40.128569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076803/publication.txt
observed 62d42daf0b7ff25ad2f0f19a1d2582f5...
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.