OpenTechnical

OT-2026-000032818

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000032818) never changes.

Identity and time

Publication numberOT-2026-000032818 · never reused
Internal UUID01a0ae75-4842-7e7c-8174-020b911cb254 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032818
StatusPUBLIC

Content hashes

Canonical text7292206f9eebb3e9cebe5f8a9eb5fc25599ca57e2fd5d292a3288d38769b8330
Markdown77076a72f97620717d25eff9e2229312ac859823f7b0b48ae1b127eed7ed10ea
PDF
Publication page98782eccbd7e0275f80e3575fa34037c431855cadf084d44ba1fe94de290dc7a
Manifest772e07eb18294f2065ec23c04f8b6e0ef733680c5657bc165d56acd2c1d1d297

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
Signaturelflf3ecr0WS0ax/JyKaTxX+VaVQNmOu6tmlPjZdrhS28Fh5IkEBiv4GIZce8im0SQPf6smmjDCT8hR/3/FFPBw==
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

2026-09-17T11:32:16.307058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032818
observed 98782eccbd7e0275f80e3575fa34037c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.287997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032818/manifest.json
observed 772e07eb18294f2065ec23c04f8b6e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.270001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032818/publication.md
observed 77076a72f97620717d25eff9e2229312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.251423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032818/publication.txt
observed 7292206f9eebb3e9cebe5f8a9eb5fc25...
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.