OpenTechnical

OT-2026-000024831

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000024831) never changes.

Identity and time

Publication numberOT-2026-000024831 · never reused
Internal UUID01a0ae71-2727-72df-b7f6-5919c5082294 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024831
StatusPUBLIC

Content hashes

Canonical textc9e0634a8259466c40778c9fa5067a837e139de97dfae65543910cb1909e67f7
Markdown3395d86ace4656de229f01d0892957923996c84a7d50ac71b28120b9c98e21b2
PDF
Publication pagef8c39b4e1e26db17b5bc8fd39ef4268d528e1511a67c22e6838500ed0a2fa05d
Manifesta12f421c0736cf7fd9d646142cd5eb570b9030ebaedf758fabec10b75003f0ec

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
Signaturezpwv7OcM0orinkJW1nTcwhxfo7qEBuHjBPrqIUvGQJwrR4lGULaZH1fZ6ak9wCwrGa+z3YYZSkUHaf/4myPvCw==
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

2026-09-17T11:47:48.108262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024831
observed f8c39b4e1e26db17b5bc8fd39ef4268d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:48.087769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024831/manifest.json
observed a12f421c0736cf7fd9d646142cd5eb57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:48.047848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024831/publication.md
observed 3395d86ace4656de229f01d089295792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:48.012898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024831/publication.txt
observed c9e0634a8259466c40778c9fa5067a83...
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.