OpenTechnical

OT-2026-000032917

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000032917) never changes.

Identity and time

Publication numberOT-2026-000032917 · never reused
Internal UUID01a0ae75-4842-7019-93f9-3e8d0aede980 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032917
StatusPUBLIC

Content hashes

Canonical text6412c82f629633395fa143a8a43fc8409231cc5113047f2b785cf8de4a572300
Markdown28b49a96a5d61e4aac2d6c31321cfaeb32d6f8b68c4cca05cd62ce155ba811fb
PDF
Publication page76afdd7690ad5c902557df30e96098ff65762273e513833b4ff2c4522569f902
Manifest001f966a322e5e63550a4eefa01b1a82be6ba2d015c663abf446be973f5bda43

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
SignatureUMU4IPSyjHasZhVIBreoCpjb4FsawuAoQyYrpvtJ43YgeZegBXN4I1dv6t6NXkU6ExlTsv0dzjoFyVI9vKBOCA==
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

2026-09-17T11:32:30.593460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032917
observed 76afdd7690ad5c902557df30e96098ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.575301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032917/manifest.json
observed 001f966a322e5e63550a4eefa01b1a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.556127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032917/publication.md
observed 28b49a96a5d61e4aac2d6c31321cfaeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.535433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032917/publication.txt
observed 6412c82f629633395fa143a8a43fc840...
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.