OpenTechnical

OT-2026-000066915

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000066915) never changes.

Identity and time

Publication numberOT-2026-000066915 · never reused
Internal UUID01a0ae8f-14fd-7f2b-ae36-60755e651ede · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066915
StatusPUBLIC

Content hashes

Canonical text63aee4bc6e962fc67ceb2a61bfab536cca1af731cd461fca006aa8d7c470442a
Markdown107e13b2456da0a17078a5e8cc74f1a53af0e3eb1c8fe6df0befd5f4a0f41a88
PDF
Publication page1333eacba8381c1831690cd3b579589236c1c63b09a5509fee5e2df708d54432
Manifest8cffc3ea4f0fc23082afb252ad9c53050c15d6d18577d0e4451ea2a1e1a60546

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
Signaturez0chqXNbaAbAB1/jIztF+oBzps//d+TFxSOhXDBbiPu+WxeP3dKAAp/9FSRyK4h9JxxB1q5mP0ZCxBmj7KUTCw==
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

2026-09-17T10:32:07.312165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066915
observed 1333eacba8381c1831690cd3b5795892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:07.297142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066915/manifest.json
observed 8cffc3ea4f0fc23082afb252ad9c5305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:07.281550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066915/publication.md
observed 107e13b2456da0a17078a5e8cc74f1a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:07.265246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066915/publication.txt
observed 63aee4bc6e962fc67ceb2a61bfab536c...
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.