OpenTechnical

OT-2026-000047063

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000047063) never changes.

Identity and time

Publication numberOT-2026-000047063 · never reused
Internal UUID01a0ae7e-d0f7-7bef-8e0f-7d117c06b23d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047063
StatusPUBLIC

Content hashes

Canonical text94818283d60fbf7d0f5636690a6c53f3b8f45a10fe5f13bfb3c083a2d478f39d
Markdownbff627c3b1d4e2c05ee63e48c096a7c110eae2a54ea76ea8cb2051f54b234580
PDF
Publication page5c6567239f77d5dbd9ef9991d5aab9a3962754f39bccc0e25cb28374f319c469
Manifest5697f997ef08b1ba7cb531bcdd9e4fe4a20df91c75d1421c31100e7b9b4f30fa

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
SignatureESiEh7vx9C+n/DHovsZ8alcIlAxpX4NCm+A284S1V+tPSBOMgePV1YIahYkdMxtsG2FvsEfDZiAgoqWWv/xkDA==
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

2026-09-17T11:10:21.777524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047063
observed 5c6567239f77d5dbd9ef9991d5aab9a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.753504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047063/manifest.json
observed 5697f997ef08b1ba7cb531bcdd9e4fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.732754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047063/publication.md
observed bff627c3b1d4e2c05ee63e48c096a7c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.712661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047063/publication.txt
observed 94818283d60fbf7d0f5636690a6c53f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:50.183778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047063
observed 5c6567239f77d5dbd9ef9991d5aab9a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:50.165470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047063/manifest.json
observed 5697f997ef08b1ba7cb531bcdd9e4fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:50.145013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047063/publication.md
observed bff627c3b1d4e2c05ee63e48c096a7c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:50.124496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047063/publication.txt
observed 94818283d60fbf7d0f5636690a6c53f3...
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.