OpenTechnical

OT-2026-000008218

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000008218) never changes.

Identity and time

Publication numberOT-2026-000008218 · never reused
Internal UUID01a0ae6a-908d-7da5-8fe5-dda88bd61541 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008218
StatusPUBLIC

Content hashes

Canonical text6f6e3007575f5a9673fd9aae790e41161ad4ce14c45973e2f901937e143f5f68
Markdowna79bfa5bd638612a01201c07cacac10b34a53f40fdb0caebf96c04fa94e9f409
PDF
Publication page65b1f48be6347257f48a9f11bb3e47808f1e8cd5fae5a62a4b3e1858ece16112
Manifestd0a2cb1984bba06f2a36e74e0fbc889b59166e0cd15955af2db6d09a39ca8664

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
SignaturebA+90da3Ykh/r/+yHY0q+2sbk59XL7Kb8W1zY3mF+vgHGMJwpA8+JhtllD/n8twURLILqa+dRsz5ONzMgoZaDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:37.954835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008218
observed 65b1f48be6347257f48a9f11bb3e4780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.933441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008218/manifest.json
observed d0a2cb1984bba06f2a36e74e0fbc889b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.913994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008218/publication.md
observed a79bfa5bd638612a01201c07cacac10b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.897385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008218/publication.txt
observed 6f6e3007575f5a9673fd9aae790e4116...
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.