OpenTechnical

OT-2026-000100774

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000100774) never changes.

Identity and time

Publication numberOT-2026-000100774 · never reused
Internal UUID01a0aea3-66f4-7141-ae64-ff2bc1261845 · 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-2026-000100774
StatusPUBLIC

Content hashes

Canonical text34f80fa016a8800b6507e2cb02c5a4fb35d59d138f5d54bd2413777559a65e64
Markdown279ecb31a57c274f33988bbd277dbd1774c72ce5f40a570ff484a69eb8a4a44e
PDF
Publication pageb6b280d20d0a2ab261b2affc9dc40dc86a6e09303f1aa1f9fd3167711ef651ef
Manifest5c53500cf571ca183f92ecf7f8125594efdead39dd2f98cd96c796d6daa9d11c

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
Signature4PPPpBNjNHipZHnJLS64fIgnLgqPv6pu35FVE7IJqEom2flnm83V5xaEEoAcC7WMXWSJ7nD+QlMfMAf7kQW0Dg==
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

2026-09-17T09:27:36.907582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100774
observed b6b280d20d0a2ab261b2affc9dc40dc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:36.889585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100774/manifest.json
observed 5c53500cf571ca183f92ecf7f8125594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:36.858811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100774/publication.md
observed 279ecb31a57c274f33988bbd277dbd17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:36.838864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100774/publication.txt
observed 34f80fa016a8800b6507e2cb02c5a4fb...
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.