OpenTechnical

OT-2026-000018407

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000018407) never changes.

Identity and time

Publication numberOT-2026-000018407 · never reused
Internal UUID01a0ae6e-b489-708e-ab11-e23fb8a4a464 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018407
StatusPUBLIC

Content hashes

Canonical text1b1eb9499b9e0622810d3680eebbdaa4ca33c767b50a5cd5ac6948be8d48da5f
Markdownfcfd06dd832367df80b665959cd87e4db9cc299d93ed21330612f230471529a0
PDF
Publication pageed01e6ae4375617665e85dcf8e6afb342eecaa91e20410beebde398188e630af
Manifest87d29fb919384902cbdb6b713d43a107e9a94edec996797fe6e479195be91ec9

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
SignatureX9/jotmGmg92uj84j/R9PC4tI4HzfaGS72s9HRQH7eYWILzd2R4mj7SSEvXo9X3yuqrdKRn10K7uSMREZPsIAg==
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

2026-09-17T12:00:04.081003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018407
observed ed01e6ae4375617665e85dcf8e6afb34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.062641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018407/manifest.json
observed 87d29fb919384902cbdb6b713d43a107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.043725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018407/publication.md
observed fcfd06dd832367df80b665959cd87e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.023371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018407/publication.txt
observed 1b1eb9499b9e0622810d3680eebbdaa4...
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.