OpenTechnical

OT-2026-000071563

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000071563) never changes.

Identity and time

Publication numberOT-2026-000071563 · never reused
Internal UUID01a0ae91-e0ee-731f-9596-d052b5c4d317 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071563
StatusPUBLIC

Content hashes

Canonical text597012a84f8141ba8029aa0729e09367e25dfe7c15485aa6a1f2e0346bc2425c
Markdownff99638846db5638d99a9859745257186d3bb4ee3a9fc695e23fcda345eea367
PDF
Publication page9162828ac5d58bb9f57a572dd4ca49c27c8c4c9e19573fe1389ce611c13642d1
Manifest1c7b4cc8cd9f5bfb694a3f1ff330e1c062ee8df69f69d8636b03daef91d75937

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
SignatureuLmeex5ijSSMW0Q7cjzmKKei+roLb+gP+l8UIEo4/c3x/5/qwsUxqGYr1mBze7tLBpWTd1LwHlIIXzkgL+paCg==
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

2026-09-17T10:25:13.079587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071563
observed 9162828ac5d58bb9f57a572dd4ca49c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:13.062627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071563/manifest.json
observed 1c7b4cc8cd9f5bfb694a3f1ff330e1c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:13.045371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071563/publication.md
observed ff99638846db5638d99a985974525718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:13.029258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071563/publication.txt
observed 597012a84f8141ba8029aa0729e09367...
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.