OpenTechnical

OT-2026-000030237

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000030237) never changes.

Identity and time

Publication numberOT-2026-000030237 · never reused
Internal UUID01a0ae73-e500-70cf-8137-9d09c2ff6534 · 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-2026-000030237
StatusPUBLIC

Content hashes

Canonical text325a6cbc53fb4f8453ec5ed6859bd7c1f98358d2bb599723226a9d38b48ffd72
Markdownb5789ecddb676b037d9d26c75e7e409fc5cd4875602c41e7d124228972d38647
PDF
Publication page30115a1f05d663814a2610a0d9ab0bfe5cf539374072f772b27c5ab8b7805eb8
Manifeste76095ef0ff6a0c18c53b9d4b9f969b1e6b440916f0621b4f1da249019b9ed83

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
Signature9IH0RwQiizMRJ8aX/wuHZsQdwPpm4tTA713YAUEN/Bys5Ku+3zxb9N3NNKFa9P4I+Q1FSPDZWoOGU4z3auEgAQ==
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

2026-09-17T16:42:19.409122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030237
observed 30115a1f05d663814a2610a0d9ab0bfe...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:19.313306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030237/manifest.json
observed e76095ef0ff6a0c18c53b9d4b9f969b1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:19.192362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030237/publication.md
observed b5789ecddb676b037d9d26c75e7e409f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:19.051735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030237/publication.txt
observed 325a6cbc53fb4f8453ec5ed6859bd7c1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.038872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030237
observed 30115a1f05d663814a2610a0d9ab0bfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.014135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030237/manifest.json
observed e76095ef0ff6a0c18c53b9d4b9f969b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.996841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030237/publication.md
observed b5789ecddb676b037d9d26c75e7e409f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.980655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030237/publication.txt
observed 325a6cbc53fb4f8453ec5ed6859bd7c1...
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.