OpenTechnical

OT-2026-000010497

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000010497) never changes.

Identity and time

Publication numberOT-2026-000010497 · never reused
Internal UUID01a0ae6c-0ee7-7607-943e-be850e0b8a77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010497
StatusPUBLIC

Content hashes

Canonical text1d2959686ddd7af1497c6c161ca775aab3c01ce7363e73b4d1365b9c6cd53411
Markdown94b0aefb1544abd0f3b8b59a54e0a5dd4f7e09a4f0fa5e3f4c6d69c8192515bb
PDF
Publication pageaaf3c34e8227c08f40420e82262bfde1349d83e5a1fc22d3ab94081539ce9c53
Manifest790e970fcf68d85b37d3678d145c9791bd94ff308b40a79535f577de394b7d06

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
SignatureC/dnnn2AVL25BAX5bb81XHzLwWaexG/7qTt9ysmmgrVQ8MLg2NOwLGr/X63w28s91z2tQC/hD7rHy74OB+LbDg==
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

2026-09-17T12:14:38.978212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010497
observed aaf3c34e8227c08f40420e82262bfde1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:38.959067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010497/manifest.json
observed 790e970fcf68d85b37d3678d145c9791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:38.939560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010497/publication.md
observed 94b0aefb1544abd0f3b8b59a54e0a5dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:38.921951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010497/publication.txt
observed 1d2959686ddd7af1497c6c161ca775aa...
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.