OpenTechnical

OT-2026-000046823

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000046823) never changes.

Identity and time

Publication numberOT-2026-000046823 · never reused
Internal UUID01a0ae7e-d0f4-7c17-a332-063a019ba3e6 · 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-2026-000046823
StatusPUBLIC

Content hashes

Canonical text44712f269d06d0da6b08bf5e48223109f4bb83b4657391597728f88f6ac5ff91
Markdown51ba4fc0ffe737b4444603a7895df77c58b4769470e144aacf5a74f8dfad2f09
PDF
Publication page36f3cee7d1c05b73a7273dcbc007d5f927ee21cbf1eee11f9918f079a37bc9cd
Manifestccfecfada7eb3116a19640b8ca8b30280a698f9d99b84a390b56fc6141403afc

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
Signature7k5JPS/l/Gu0vhiIxDBTQP+ZaQH/tsmYGsa6FuZlGV6eOtIX3mJ/g0kOSrGGIUJuohMr8L7uT0VuiXqwxAI8Dg==
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

2026-09-17T11:06:54.998003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046823
observed 36f3cee7d1c05b73a7273dcbc007d5f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:54.979674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046823/manifest.json
observed ccfecfada7eb3116a19640b8ca8b3028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:54.960889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046823/publication.md
observed 51ba4fc0ffe737b4444603a7895df77c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:54.939728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046823/publication.txt
observed 44712f269d06d0da6b08bf5e48223109...
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.