OpenTechnical

OT-2026-000020786

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000020786) never changes.

Identity and time

Publication numberOT-2026-000020786 · never reused
Internal UUID01a0ae6f-65e3-7eb4-8a18-2f5c2a58b14e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020786
StatusPUBLIC

Content hashes

Canonical textd64ae5756ba5e772f0fe946c15f7145094f7fbcdfc57ef2700a172e3bee8ed1d
Markdownd50b1ad70f7d5eeee08d16125cab0968efb9b3a5bba24315ea4e94de37bc721c
PDF
Publication page7c3a3c84e7ab76aacb9e2e91338b5a741b588d7e2987e4e763dad35e47220002
Manifesteb49bc8b3e47229a9ea51094269728359fe03eb5f5d8032d16316124fb6630ea

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
SignaturemKh7GNGFijCYqVrvY3M2e3t6bPK4t6hth+PZSDz1kwBPlE6TdAKGF1T4xJT+UutrMmzD2kLQeO1j186Uxq/hAA==
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

2026-09-17T11:55:51.979220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020786
observed 7c3a3c84e7ab76aacb9e2e91338b5a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:51.961012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020786/manifest.json
observed eb49bc8b3e47229a9ea5109426972835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:51.942958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020786/publication.md
observed d50b1ad70f7d5eeee08d16125cab0968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:51.924737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020786/publication.txt
observed d64ae5756ba5e772f0fe946c15f71450...
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.