OpenTechnical

OT-2026-000026407

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000026407) never changes.

Identity and time

Publication numberOT-2026-000026407 · never reused
Internal UUID01a0ae71-f4a7-7ac9-8667-fadba02a3768 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026407
StatusPUBLIC

Content hashes

Canonical text9f55e1e55e3c3ea1b9b59379af210151842b5c0292c333f98d8953832ae60336
Markdown5169e26f343da4ca9bc604a7bb69ffbbdd9decd42e3ff55b5d69b171eedb1b4b
PDF
Publication page71d508678e29541a211a51cb6ee665bac0603d42b4024986522fe770a3c3686e
Manifestda3f417a6744010d1ea0c7ec20bf60a8042e67895a0d6dd74a4928e9456bc0d0

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
SignaturehZVCKj0GsHXs6McfHo5EINcmzF671FZW23QS0XISQA2WehsRm31u7u/YclAtv3ixd1JDG0mJ0fLtO9h3Ao7ECA==
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

2026-09-17T11:44:23.616287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026407
observed 71d508678e29541a211a51cb6ee665ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.599940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026407/manifest.json
observed da3f417a6744010d1ea0c7ec20bf60a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.583421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026407/publication.md
observed 5169e26f343da4ca9bc604a7bb69ffbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.567790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026407/publication.txt
observed 9f55e1e55e3c3ea1b9b59379af210151...
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.