OpenTechnical

OT-2026-000056127

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000056127) never changes.

Identity and time

Publication numberOT-2026-000056127 · never reused
Internal UUID01a0ae87-0a4b-7904-bd8a-c6ab05afca43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056127
StatusPUBLIC

Content hashes

Canonical textec869b0fae8d6725d946fdcb57b0339724059670cd6eb9ff017803150e7e30b7
Markdownfe6f42a243adc5bca796314b6d052013696b96dff72fe189b946ba0f45da6d7a
PDF
Publication page530564b877bce692c408bfd1818e98301ca5856a0e44e9aa01153e8b251d0db0
Manifeste01b14e42890f7b1d5609b66e886e425476711b7d7ea9b1a4cc8623f628ae879

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
SignatureMgDk6gudNSDYIlkzM2Hpr4gZAh9vvx27awu/wu4NZIxsuud09c00GQ23Xt/N1h3jGCvctPJP6jId3CPF8o2hDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:40.443919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056127
observed 530564b877bce692c408bfd1818e9830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.426923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056127/manifest.json
observed e01b14e42890f7b1d5609b66e886e425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.409235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056127/publication.md
observed fe6f42a243adc5bca796314b6d052013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.391708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056127/publication.txt
observed ec869b0fae8d6725d946fdcb57b03397...
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.