OpenTechnical

OT-2026-000025831

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000025831) never changes.

Identity and time

Publication numberOT-2026-000025831 · never reused
Internal UUID01a0ae71-a83e-7a32-8498-b34652774b1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025831
StatusPUBLIC

Content hashes

Canonical text8ce770e6f5696720657ced70f52d9d693570982a9f0da8036aa37b7ebff1dab9
Markdown55a426902d7dc70bcb26328eafb182b16da91c50131798b386494a62a4f994ca
PDF
Publication page8107304120d3e6ca99d714c104e593644e16eb9dbb783e88872290181590300c
Manifestb17b4b11b2a3c0ac829f7bbba190aa82786c950b85144d58b00c014dc2f15ab4

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
SignatureqljJd7ebyMw0Fporn1KhwAEcr+cH9Zu10gSDsTUu9I1bb4xja7SEIoD9yeM3ahRmw/U9pgWSKamsyikL+2snDA==
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

2026-09-17T11:46:03.390944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025831
observed 8107304120d3e6ca99d714c104e59364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.374927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025831/manifest.json
observed b17b4b11b2a3c0ac829f7bbba190aa82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.359276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025831/publication.md
observed 55a426902d7dc70bcb26328eafb182b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.342816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025831/publication.txt
observed 8ce770e6f5696720657ced70f52d9d69...
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.