OpenTechnical

OT-2026-000059577

Publication integrity record

Single cup vacuum gripper, single stage ejector, vented after 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-2026-000059577) never changes.

Identity and time

Publication numberOT-2026-000059577 · never reused
Internal UUID01a0ae89-ec23-7816-aa61-1e39da1fa9b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059577
StatusPUBLIC

Content hashes

Canonical text9cb05289392fb38cf81f2f284e9a61b3b247a02e0bc7fb014fc9d9048365ebeb
Markdown0b1f158d96220018c26f9cedf4e8c577f6b8b178d95dd4261fd9c1958944a7ee
PDF
Publication pagece989821499c217b300f527429e956b38cd9404151629efbfd1e623e32f8df3c
Manifest06aa6a12918f0e08fd3c6e4559d7cf88c58d0e5c31327cec22b6f827d532f5f4

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
SignatureY77R+5CammGZcjJB2D6qCTZmAvWZP08N9RFGm6zv1QmDdsaX4zYRhFl2RirI1RVNkmxNjbMj1DhT92C6tsUcDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:13.539567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059577
observed ce989821499c217b300f527429e956b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.522368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059577/manifest.json
observed 06aa6a12918f0e08fd3c6e4559d7cf88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.503393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059577/publication.md
observed 0b1f158d96220018c26f9cedf4e8c577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.486611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059577/publication.txt
observed 9cb05289392fb38cf81f2f284e9a61b3...
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.