OpenTechnical

OT-2026-000021018

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum 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-2026-000021018) never changes.

Identity and time

Publication numberOT-2026-000021018 · never reused
Internal UUID01a0ae6f-65e4-7370-ba5b-08d5261dc699 · 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-2026-000021018
StatusPUBLIC

Content hashes

Canonical textf0962e3ae71e7c052c288fb37e9f4b52202e6c5bcc90ecee9456cc6d64a90408
Markdown0434e78507b202aa7cd5e57c195253944b141c7541a2470828ac161d5c609c8c
PDF
Publication pagec0b1fafa65742e796508e4c9b79310cc8ff4674de469ea103e6aa024d8fdcb49
Manifest895746f1471d275d42d3d75deb1a458db7057b0d157e6a725edd8e856fc5e28c

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
SignaturerehTaPLOPX4B/l0h63r+qoxMd7cE9esme1zwGvB0C1kk+7j9Ks4yL7PypDOvXVVDfANb30z2wDUlcmLbNwTJDw==
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

2026-09-17T11:56:10.769698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021018
observed c0b1fafa65742e796508e4c9b79310cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:10.752815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021018/manifest.json
observed 895746f1471d275d42d3d75deb1a458d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:10.736088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021018/publication.md
observed 0434e78507b202aa7cd5e57c19525394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:10.718293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021018/publication.txt
observed f0962e3ae71e7c052c288fb37e9f4b52...
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.