OpenTechnical

OT-2026-000100714

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000100714) never changes.

Identity and time

Publication numberOT-2026-000100714 · never reused
Internal UUID01a0aea3-66f4-7dc3-8837-32acfb83c3f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100714
StatusPUBLIC

Content hashes

Canonical text3b9fc95d649d151d73917b8d686f1becd2b2d8b8771a92e0caed1e948d76611f
Markdownb20c11173afbec45eac0aae4f1fad2cc0cf53cb339e74e7d31516e7d8de27855
PDF
Publication pagecd4f978ca18161e251de5d34ac40b331737d9a3689d3ae4a5ff08c8dd0a6b311
Manifest4ba8b0aadd1c2123fa505a11e246abf58e03fd94671faeb05262d401b9a46deb

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
SignatureUwW2jDzuTaf59iH+Z1BLWceCi7fpDP+gvRJc6Di+Qep1RFUXdCZ5sOkjfUxGw/wgtk62o8dFY5VQXAqp9CmVDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:32.292828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100714
observed cd4f978ca18161e251de5d34ac40b331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.275881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100714/manifest.json
observed 4ba8b0aadd1c2123fa505a11e246abf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.257924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100714/publication.md
observed b20c11173afbec45eac0aae4f1fad2cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.239611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100714/publication.txt
observed 3b9fc95d649d151d73917b8d686f1bec...
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.