OpenTechnical

OT-2026-000052993

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000052993) never changes.

Identity and time

Publication numberOT-2026-000052993 · never reused
Internal UUID01a0ae84-a430-7562-ad92-3823c0bfe377 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052993
StatusPUBLIC

Content hashes

Canonical text0ea9222941d3d9fe6869c2feb26e14b028d3ef662103b8d0731bcc3f6b0c7027
Markdowne0bf05841161b729373521140417ac8b4b1ba94960c3c3b3292c28dc3b28f8f3
PDF
Publication page754d14180e1d254297047a49073ac0c98dc3bbac710329f0b1bcf6181d660b33
Manifestda6a7fd6176038d3200cb0829ab296059314c221d3662da1e16049ee598d8a2d

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
Signatures4Rw1XFX00mMl5Fm7OnOB7/pHXJ1TpcuqF9Dr5+WNVso0nuDX5OApCzSo8VjTVhAXWB82mPAHEYM7A8o4ereAQ==
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

2026-09-17T10:56:41.217665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052993
observed 754d14180e1d254297047a49073ac0c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:41.195777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052993/manifest.json
observed da6a7fd6176038d3200cb0829ab29605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:41.177002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052993/publication.md
observed e0bf05841161b729373521140417ac8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:41.160570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052993/publication.txt
observed 0ea9222941d3d9fe6869c2feb26e14b0...
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.