OpenTechnical

OT-2026-000030130

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000030130) never changes.

Identity and time

Publication numberOT-2026-000030130 · never reused
Internal UUID01a0ae73-e4ff-7d56-b774-f1746434080b · 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-2026-000030130
StatusPUBLIC

Content hashes

Canonical text306aa0c5beaf0ace792d82228d920c505b80b30b6ec3f54efd59b67c4dc9e15d
Markdownb9011fc7dfd9d13f371392998d18a2bb25e704f112f61d4a83325592f5f0467b
PDF
Publication page6c075e4668b6aea1bd7663adf982caa4ab780c4c4a62a6762a2ffb6262a17268
Manifest7da1f71de9133043a47e0eb7ebd70af362acda89ef77bffe02b836423e426f92

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
Signatureg0EIVA63gUUZG9bjEt+uNlzn+pWGbqtD2BXC31l2QhRU2HyA0A68WJ8zqH5V7kM3x6GP5ZeRYfI+Ir/kxEcBAA==
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

2026-09-17T11:40:22.181586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030130
observed 6c075e4668b6aea1bd7663adf982caa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.160762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030130/manifest.json
observed 7da1f71de9133043a47e0eb7ebd70af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.138995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030130/publication.md
observed b9011fc7dfd9d13f371392998d18a2bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.123057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030130/publication.txt
observed 306aa0c5beaf0ace792d82228d920c50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:44.100202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030130
observed 6c075e4668b6aea1bd7663adf982caa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:44.082189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030130/manifest.json
observed 7da1f71de9133043a47e0eb7ebd70af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:44.066545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030130/publication.md
observed b9011fc7dfd9d13f371392998d18a2bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:44.047230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030130/publication.txt
observed 306aa0c5beaf0ace792d82228d920c50...
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.