OpenTechnical

OT-2026-000011610

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000011610) never changes.

Identity and time

Publication numberOT-2026-000011610 · never reused
Internal UUID01a0ae6d-193f-7bb6-b17b-bb9a74399c7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011610
StatusPUBLIC

Content hashes

Canonical text8005482caccd3552f9f2085a9a8b08aed9c3a1aee00f2161866140748d118577
Markdownea0ac3fa661792285d57bec56daac0f449aa7b4c81eb26c1def848d5b22b4566
PDF
Publication paged389b54034820b5257af57043287772a7d639d3e3db7ba114b584f06b194c012
Manifest30debaf0bd8872f9f46b59d5de76e803f51d299c05c2be933138728bebc77cdd

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
SignatureQLU/ENCNXju9dScKa9lFL3uJ1/GSQP7koqMa3OBbK+q+BVbDydPlQ7xp1LolUYaHKtn4/JkMlPnCo0JEF51MAw==
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

2026-09-17T12:12:11.275055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011610
observed d389b54034820b5257af57043287772a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.257284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011610/manifest.json
observed 30debaf0bd8872f9f46b59d5de76e803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.237982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011610/publication.md
observed ea0ac3fa661792285d57bec56daac0f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.218179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011610/publication.txt
observed 8005482caccd3552f9f2085a9a8b08ae...
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.