OpenTechnical

OT-2026-000026615

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-2026-000026615) never changes.

Identity and time

Publication numberOT-2026-000026615 · never reused
Internal UUID01a0ae71-f4a9-7dda-97c6-54f3e9636033 · 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-2026-000026615
StatusPUBLIC

Content hashes

Canonical text3ec88ea4992cb2cce12da0faccec3d1619eeef19e9bc3efdb87bfcecdd22fe1b
Markdownb7b98448913bc3158b31051a5901983ebc85002feb884f816f9f387e62c532e7
PDF
Publication page2cb90cbd896058a42f931b65ec7695ba7bf1585ed1e46653056a86334ca500d5
Manifest7b051fc9de9d2eb4e005f0a412646e3a04345c29d41aa2202e7bf2b8d1d2f8c1

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
Signatured8seGpOvovc7O0g7rLiYmAr95gwXqXsxM5N2W0PjAclVqP3/+1CwK7DIYLmDZ9hYw+hCsQW8vrAyXQuD7OP9DA==
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

2026-09-17T11:45:41.117927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026615
observed 2cb90cbd896058a42f931b65ec7695ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.087992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026615/manifest.json
observed 7b051fc9de9d2eb4e005f0a412646e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.067453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026615/publication.md
observed b7b98448913bc3158b31051a5901983e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.036617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026615/publication.txt
observed 3ec88ea4992cb2cce12da0faccec3d16...
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.