OpenTechnical

OT-2026-000026619

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single 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-2026-000026619) never changes.

Identity and time

Publication numberOT-2026-000026619 · never reused
Internal UUID01a0ae71-f4aa-7323-9732-80ff7e16913b · 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-2026-000026619
StatusPUBLIC

Content hashes

Canonical text1d0984f05cc6511018fa5bb25fe0307136ec4f829980c923cf493ffa6e2995f1
Markdown4f8676cfc21f2d0c3261e243505761c13107477da72949b463d2ce9ffcf95929
PDF
Publication pagebee5e4081306157f1dccdb7bebc23a65dae57a80f6cc01939678cbe8dba2125b
Manifest9fb67540cb4303542ab75acc4481faf00dfdc03970e9d7452adf3b55eaf25982

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
SignatureVeg5A1pdHPzY8vdoc07hWV1muQhfjvAHFkgOMzdVadve3Z3yb4ome9QqMjhEXsYaY9OAfLzZrLPqyELtCdCUCA==
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

2026-09-17T11:45:41.528350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026619
observed bee5e4081306157f1dccdb7bebc23a65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.504592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026619/manifest.json
observed 9fb67540cb4303542ab75acc4481faf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.485247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026619/publication.md
observed 4f8676cfc21f2d0c3261e243505761c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.462584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026619/publication.txt
observed 1d0984f05cc6511018fa5bb25fe03071...
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.