OpenTechnical

OT-2026-000008109

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, vented after 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-2026-000008109) never changes.

Identity and time

Publication numberOT-2026-000008109 · never reused
Internal UUID01a0ae6a-908c-7a29-a1ee-26402545e2f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008109
StatusPUBLIC

Content hashes

Canonical textdc47246da7ac9702a5602ccbe273ec9b1de9939a6f3932e302c16fbfc8c00247
Markdown9afc8a1d7b2f731c1e85e9cbfc3e1f295e058a8c9b9f5b8264527ebe355245b4
PDF
Publication pagefd7341d2668a6c3cbf17357a3d6e956fb9513ddcd05d10857facac24ed202a7b
Manifeste53e04246ca7d1d7f2beef16228568c6c5fa17d2b6a32353ccce5df525f0ab7a

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
SignatureVyv6TZdndsOglVBevLOGwhtI+QOZiCA3Sl0yXbLnwTTw4KG0XjUwDobGV8gF2p2Fg122ICdFonrIxxiAZ5FzAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:25.490265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008109
observed fd7341d2668a6c3cbf17357a3d6e956f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.465192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008109/manifest.json
observed e53e04246ca7d1d7f2beef16228568c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.444968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008109/publication.md
observed 9afc8a1d7b2f731c1e85e9cbfc3e1f29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.425418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008109/publication.txt
observed dc47246da7ac9702a5602ccbe273ec9b...
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.