OpenTechnical

OT-2026-000030178

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000030178) never changes.

Identity and time

Publication numberOT-2026-000030178 · never reused
Internal UUID01a0ae73-e500-7a49-aa28-29a76960eab3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030178
StatusPUBLIC

Content hashes

Canonical text387c3aa34c8989e0c8f291b87c59faa50f5f18958aae7bcb76007d3b9a65ee85
Markdown3b697d00f5dc6f3ce0a3055599b8e8a96246dae8ebc418eb9aa948fdf74a1830
PDF
Publication page4b24c596d62d851e577d055648a595dc9fe9fff4379c9a51db87a7044cfb292b
Manifestba3fc83ab27c769828a2ff0b321cdf211f74eae19630f20742f8ea47d6ea8533

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
SignatureJjJxlYBsW8gwwxiUHS4JNnYKUvVFdz+CSEYcZAfWQY/kxJzmNft2otnPcdZEh9xJzopScQrO5dfITek7CPHfCw==
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

2026-09-17T11:40:32.431383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030178
observed 4b24c596d62d851e577d055648a595dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.415946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030178/manifest.json
observed ba3fc83ab27c769828a2ff0b321cdf21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.397374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030178/publication.md
observed 3b697d00f5dc6f3ce0a3055599b8e8a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.380575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030178/publication.txt
observed 387c3aa34c8989e0c8f291b87c59faa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.812585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030178
observed 4b24c596d62d851e577d055648a595dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.795088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030178/manifest.json
observed ba3fc83ab27c769828a2ff0b321cdf21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.776268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030178/publication.md
observed 3b697d00f5dc6f3ce0a3055599b8e8a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.759144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030178/publication.txt
observed 387c3aa34c8989e0c8f291b87c59faa5...
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.