OpenTechnical

OT-2026-000068426

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000068426) never changes.

Identity and time

Publication numberOT-2026-000068426 · never reused
Internal UUID01a0ae90-2481-7867-8660-1bca812bad74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068426
StatusPUBLIC

Content hashes

Canonical textcc169dc4b0837d8a2efed23b5f269e559c8c3b358b0df33e9d540e04acd95380
Markdown1b30f82910a249fdec3e64012f2b761731af654bb3ecf5c6ae77e364d54f781c
PDF
Publication page694f723ac60402e0d015fa1d33b69d6c2869dc8cbf5ba512bc5e39dbb537e12d
Manifest84638810dd817b4745af5abd397e279ccca134845769b49c04e6b45636fc67c7

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
SignatureuTw72NBrAVdAuxgT968cgdskV6JAfoPS21b5i39ZYFX6maZ6n30iudRsxdvki3YfgijD/5jZiDd014DWCmwNDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:34.030011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068426
observed 694f723ac60402e0d015fa1d33b69d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.012663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068426/manifest.json
observed 84638810dd817b4745af5abd397e279c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.994149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068426/publication.md
observed 1b30f82910a249fdec3e64012f2b7617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.972610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068426/publication.txt
observed cc169dc4b0837d8a2efed23b5f269e55...
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.