OpenTechnical

OT-2026-000019822

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000019822) never changes.

Identity and time

Publication numberOT-2026-000019822 · never reused
Internal UUID01a0ae6f-1fb5-7029-b352-263af202c0b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019822
StatusPUBLIC

Content hashes

Canonical texta64c91e308ede2910fa21cec95ecb11117b1eeae67e04cec4b7087d5f3832226
Markdown8b2b63473cadaf95e80774281a84a54bf8359db24ba1cb708c35c8e4b6af6512
PDF
Publication pagee652b74bf987895624e77558e61132b2f3a293588fd77d106e61ffa51fb6af8a
Manifestb69d4217010b94e9c41e1607efa3d7fe9cccc4e3ab2709908949588636923b53

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
Signaturet8uIXXatDQesDertcVCL/+UWNMB7M9xpWkBxBYgfBI+DhudR5tqEKTRiX2+o10YBDVvu8RzrCIt5B9K3ogetAQ==
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

2026-09-17T11:58:00.612533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019822
observed e652b74bf987895624e77558e61132b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:00.595112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019822/manifest.json
observed b69d4217010b94e9c41e1607efa3d7fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:00.575126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019822/publication.md
observed 8b2b63473cadaf95e80774281a84a54b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:00.557813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019822/publication.txt
observed a64c91e308ede2910fa21cec95ecb111...
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.