OpenTechnical

OT-2026-000007061

Publication integrity record

Porous face vacuum gripper, two stage ejector, pressure verified at each zone, open cell

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-2026-000007061) never changes.

Identity and time

Publication numberOT-2026-000007061 · never reused
Internal UUID01a0a971-39a7-7ade-80df-968655cb66c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:59:24.969650Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007061
StatusPUBLIC

Content hashes

Canonical text418f31d0f3c05117133f215ae6221b72febb38ed3e94ce60567aba07f9385af5
Markdowneb7c47e8bcadc1dcf1e429cc6db4b667b644e62673a34ae53b74a1074f834a5e
PDF
Publication page6a84d559212526b7459e8e403b84cdf85f65b6cee49e1ed6d9e94a74d5a527e5
Manifest11d6b6e40e333f8fd07aa1b42095d7deb051cc45c7de70b748dab50fbf478096

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
SignatureZX3inpBbKD3TNHbdY8qjTURYzCqHqMNqJm862sEWSlIUItn+g66iZQzYFdmYHg3lrGu/OEOMFp3/C0sgO9XnCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:06.243293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007061
observed 6a84d559212526b7459e8e403b84cdf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:06.229074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007061/manifest.json
observed 11d6b6e40e333f8fd07aa1b42095d7de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:06.214423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007061/publication.md
observed eb7c47e8bcadc1dcf1e429cc6db4b667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:06.200349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007061/publication.txt
observed 418f31d0f3c05117133f215ae6221b72...
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.