OpenTechnical

OT-2026-000017147

Publication integrity record

Three cup vacuum gripper, three zone face, four 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-2026-000017147) never changes.

Identity and time

Publication numberOT-2026-000017147 · never reused
Internal UUID01a0ae6e-76c7-7bfd-b431-5d5881684b33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017147
StatusPUBLIC

Content hashes

Canonical text3263cb7295d7ea0128338b5c0c2c5c511203b1344d929b171bc6b9d6c50eb1c3
Markdownb21f3db1a86e75a7520f6c8fb6f125d64d8ff37d9da040559a9f0c8f9cb5e66c
PDF
Publication page29694728060f16da20e7f910eb07c50c1f023a587861083bfa0e78e0cf10908f
Manifest14e211ad8fb4622dd16cd1a76ea8f3035aa7b91b87599d74d8e89962bdae5c1f

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
Signaturekhoa3OnTifptzKruDcan20qJaIMwiz0sWpHwM35oEbIm74cx600UmBYRBIZeocUYxpC7hS7sqpOtr98o8U4kAA==
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

2026-09-17T12:02:12.442294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017147
observed 29694728060f16da20e7f910eb07c50c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.424896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017147/manifest.json
observed 14e211ad8fb4622dd16cd1a76ea8f303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.407807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017147/publication.md
observed b21f3db1a86e75a7520f6c8fb6f125d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.391669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017147/publication.txt
observed 3263cb7295d7ea0128338b5c0c2c5c51...
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.