OpenTechnical

OT-2026-000017331

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pulsed 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-2026-000017331) never changes.

Identity and time

Publication numberOT-2026-000017331 · never reused
Internal UUID01a0ae6e-76c8-741b-805f-5c1a67eca249 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017331
StatusPUBLIC

Content hashes

Canonical textb2936190c636a8e27e542ec66e33040ea97af2470d01278c028f444db45296fd
Markdown37f0a3d6895be66a344aba0b3b66fc1c1e486b7899c8a4f4af07badd4f75f5ae
PDF
Publication page5218063446da85548308910426c36d8a02430b041fb71bbeb0328ce46f73f4be
Manifest8176a7aff14aaa5bb91aa5f8010da32fff6a0a2a2fad48d20931dcc89244e527

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
SignatureprRWnbpHBiY4S/zTU5ICoTyYgHmxRd6wNtw8g2z5q7Db3wMx61XF/FAr6Q+/sgsGPYKbazzdOaeQEKEs+rEUBg==
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

2026-09-17T12:02:26.264278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017331
observed 5218063446da85548308910426c36d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:26.248206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017331/manifest.json
observed 8176a7aff14aaa5bb91aa5f8010da32f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:26.231366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017331/publication.md
observed 37f0a3d6895be66a344aba0b3b66fc1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:26.214089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017331/publication.txt
observed b2936190c636a8e27e542ec66e33040e...
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.