OpenTechnical

OT-2026-000032919

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000032919) never changes.

Identity and time

Publication numberOT-2026-000032919 · never reused
Internal UUID01a0ae75-4842-744d-9519-695f4a23ded1 · 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-2026-000032919
StatusPUBLIC

Content hashes

Canonical textbb9fd1a99ceeef92a03ad656e9df043bdf3f38912ac5c7d10ee3c468f7457057
Markdowna3c6f49d03e4e497f3bb8ee868f25cb482604abd1788def9bbbf31a8bf481a5e
PDF
Publication page6420bf1f311fd10fcc6e8369720f0ce9a6e360671e8cdf8454cf71ed987e921e
Manifeste5441f573beef74128163c60a8889b8e138e2888467de0362e11875ea8293a60

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
SignatureEcgujmqEmkJoDSmNgK4gxWeiR7lkzglIxceQ49mc6ZnsChefTLKnNS0ArjgU4P/S7rXdfIL3oSnpjnJ6spoyDA==
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

2026-09-17T11:32:30.767448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032919
observed 6420bf1f311fd10fcc6e8369720f0ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.749771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032919/manifest.json
observed e5441f573beef74128163c60a8889b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.733243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032919/publication.md
observed a3c6f49d03e4e497f3bb8ee868f25cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.688246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032919/publication.txt
observed bb9fd1a99ceeef92a03ad656e9df043b...
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.