OpenTechnical

OT-2026-000072835

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000072835) never changes.

Identity and time

Publication numberOT-2026-000072835 · never reused
Internal UUID01a0ae92-89da-762d-95cf-01c4f39b82d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072835
StatusPUBLIC

Content hashes

Canonical text0e0f3a3996ec7137e9e9cd8113c9d8cde6db06451422615339d020da85b70aec
Markdown063907f3655aeebb02724eedaab6bd49a3dd4ca9263f6fbb071f9ec25bf13f48
PDF
Publication page568c99a87fde8371211a5eb50d75ea988992c17136b0118bf3fbcf2216f4cbdf
Manifest3f7204e64aa609d3247caf797fb1227fd29c5ccf2890f423ec6abebcbd96af7f

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
SignatureyRbg1rGx10/Ke8FsIr6m4R88WssRbgP67ENPwvEX5ZQibBOwPZBHUacNup0IF61wgd4CtU0xr0LMVzzPQGLyBA==
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

2026-09-17T10:22:29.448698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072835
observed 568c99a87fde8371211a5eb50d75ea98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.431137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072835/manifest.json
observed 3f7204e64aa609d3247caf797fb1227f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.413148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072835/publication.md
observed 063907f3655aeebb02724eedaab6bd49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.386388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072835/publication.txt
observed 0e0f3a3996ec7137e9e9cd8113c9d8cd...
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.