OpenTechnical

OT-2026-000044091

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000044091) never changes.

Identity and time

Publication numberOT-2026-000044091 · never reused
Internal UUID01a0ae7b-d67a-7ba2-a0c7-142e90113490 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044091
StatusPUBLIC

Content hashes

Canonical text50fd342dfc7960765d9cb5acb46236235a7220bfb8202d151fe5685090686786
Markdown72b8596569151c0785acee8785b8970011d853c809a89acd9b166b20c1e127ec
PDF
Publication pagec345b80789ffe3f82b9ca164013e1cde077a0af9fc6b01efec8cc17ab05ac9ea
Manifest251871455a31351af2adbd1c75fb14b33a04be2897512c7feb8ba914a1a15947

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
Signaturee/2PSOfihieSjJuB/X2nsuU0XN2HhaJxSH9p7pT+npzaavB0LHgjFTWw0RyvEncypGWGYv6F9N3VWwGuRx/FAg==
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

2026-09-17T11:12:29.832974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044091
observed c345b80789ffe3f82b9ca164013e1cde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:29.813794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044091/manifest.json
observed 251871455a31351af2adbd1c75fb14b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:29.794824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044091/publication.md
observed 72b8596569151c0785acee8785b89700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:29.777045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044091/publication.txt
observed 50fd342dfc7960765d9cb5acb4623623...
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.