OpenTechnical

OT-2026-000049187

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000049187) never changes.

Identity and time

Publication numberOT-2026-000049187 · never reused
Internal UUID01a0ae81-134e-7716-b0d4-87912aa51d74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049187
StatusPUBLIC

Content hashes

Canonical textcb326f473ddd5a14d1b1dbc0cf1b73d77552500096a6a38ebaadb11b31bdea7d
Markdown3fb10f233ad8b8c9c499b4cef4fcecb5c163ca93f33629f48360fea01df5a583
PDF
Publication page095429a9dc7545a978904915a7446665e17c6039c8189f90cf478405faa83c8d
Manifest9444a115d0dc6e1ccdc86a04928c3205c008fdf4cb56088f5041ffe1f8f07eff

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
SignaturefCHZOmQEPXO8oTLG/VX6Gi7lqPZ+ihtWBSEx7q7QKEEXJR2OoT/Fk9Psaj8WCQgwbB+wR/fF7rOJJqmGE5ZwDA==
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

2026-09-17T11:03:59.697012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049187
observed 095429a9dc7545a978904915a7446665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.671880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049187/manifest.json
observed 9444a115d0dc6e1ccdc86a04928c3205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.651260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049187/publication.md
observed 3fb10f233ad8b8c9c499b4cef4fcecb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.626836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049187/publication.txt
observed cb326f473ddd5a14d1b1dbc0cf1b73d7...
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.