OpenTechnical

OT-2026-000042355

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000042355) never changes.

Identity and time

Publication numberOT-2026-000042355 · never reused
Internal UUID01a0ae7a-5d74-7331-84c7-3ce100ab2253 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042355
StatusPUBLIC

Content hashes

Canonical text607baecdd971b8f2eaffc25b2d578e56699170cd5c985ecc2733f33a3396d3be
Markdown064352a52f607b1aacffb3badabb399ad5bd2d1fd43f61585393b8187126d6fa
PDF
Publication page5ab44ff33d06a655fe2171126b7d47e2d7e4f2738dbccd866478cb4daf5e1e36
Manifeste2b306f40cbc16399a16a533ac23c427f01972e10c8f55cf6effe420c9787f83

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
SignatureIKtQtFqtASdteusezJH8D3T7tXeIFE/RJAVs1fBget4hsowVe2UzoEp5ys1rnVZOh67+ZxKbfnmZrxb+/nxmDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:16:04.036575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042355
observed 5ab44ff33d06a655fe2171126b7d47e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.018761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042355/manifest.json
observed e2b306f40cbc16399a16a533ac23c427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.001641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042355/publication.md
observed 064352a52f607b1aacffb3badabb399a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.983323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042355/publication.txt
observed 607baecdd971b8f2eaffc25b2d578e56...
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.