OpenTechnical

OT-2026-000038660

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000038660) never changes.

Identity and time

Publication numberOT-2026-000038660 · never reused
Internal UUID01a0ae78-2d55-72d2-a8b1-d10c011bef8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038660
StatusPUBLIC

Content hashes

Canonical text552b95c4f77bcc506d5a11bc06b17835b1af0c3deba7fb2a6deb47e9db0390e3
Markdown16d3469d6921f466a25720e2639f7c22b8c8a7e88b2fa8abf2fe70fc389a7e7f
PDF
Publication page77751630f3a90c816fb89c52f3425395791ae94504a80cdcb33ab026f815cc57
Manifestac0243c47444f2161b6712a4ccaf3d075dba492237d6b3147b3e822f0b325d76

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
SignaturewIfzXCbZqwDsr0pLZ4xNU1zuEC+WzfSoDfJ6rO7OP9VqAl0fsyvOkcsUSvbvb3deJbcU9TJrfr5o6ZZB3rGjAg==
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

2026-09-17T11:22:57.555546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038660
observed 77751630f3a90c816fb89c52f3425395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.538030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038660/manifest.json
observed ac0243c47444f2161b6712a4ccaf3d07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.519344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038660/publication.md
observed 16d3469d6921f466a25720e2639f7c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.500097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038660/publication.txt
observed 552b95c4f77bcc506d5a11bc06b17835...
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.