OpenTechnical

OT-2026-000045608

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, pulsed blow-off 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-2026-000045608) never changes.

Identity and time

Publication numberOT-2026-000045608 · never reused
Internal UUID01a0ae7d-8f03-778c-ba92-3b7d5971a46a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045608
StatusPUBLIC

Content hashes

Canonical textb105ca5a1e9b0a8d27698bc98d27d5827f3b459dde99ecdef3f683a40431d146
Markdowncd22d973b013e07795a39b3cec1d47c8b95078fa45e94fef0c0ad6d543b34daa
PDF
Publication page189d6ca06ca4e26e90e6e97f02bb0f065ca9f27d9cd2fe2ff39913f65ba25be6
Manifestef636d6225ffa2b365ad44dcc646e669f5bda9ac01e9fb0662def633217b3d11

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
SignatureGc1BZpdxzJIrubMKRBct4Ez2S57HX/HcwIqUXVLJV7xcD0bRc+YFEVDzokZCi/h0GXHw+hOhEv82OkzJUPV7Bg==
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

2026-09-17T11:09:23.058301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045608
observed 189d6ca06ca4e26e90e6e97f02bb0f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:23.038015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045608/manifest.json
observed ef636d6225ffa2b365ad44dcc646e669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:23.019440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045608/publication.md
observed cd22d973b013e07795a39b3cec1d47c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:23.000867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045608/publication.txt
observed b105ca5a1e9b0a8d27698bc98d27d582...
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.