OpenTechnical

OT-2026-000069633

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, 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-2026-000069633) never changes.

Identity and time

Publication numberOT-2026-000069633 · never reused
Internal UUID01a0ae90-b52c-7b83-9128-b8d46ed1283c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069633
StatusPUBLIC

Content hashes

Canonical text39e63faf92a3c72f6f852bfd8bfec4e8571178098ab820955f7cb244c4f3e289
Markdown1a61ba6a0e5d28fca78baa8c78889502987ce8ebb473eaa4321056a2aed3a3d7
PDF
Publication pagea350bb899c6119445dc687a2c1971abb1f606fa7fdda3afe671fbc7800c3f4c6
Manifest37332e43331323e37c79ed3e582c425b76c24b98958cc787bdada3ea927df757

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
Signaturep+OOBMr4w223oflrOYV+NOZ6mWST8e/8qRhlLb9DybHzair/Hk48PqA0VxBYHJ5E8aM0M0+WuNs0EDTKq0cRAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:17.969560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069633
observed a350bb899c6119445dc687a2c1971abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:17.950917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069633/manifest.json
observed 37332e43331323e37c79ed3e582c425b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:17.933513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069633/publication.md
observed 1a61ba6a0e5d28fca78baa8c78889502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:17.916049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069633/publication.txt
observed 39e63faf92a3c72f6f852bfd8bfec4e8...
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.