OpenTechnical

OT-2026-000100097

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000100097) never changes.

Identity and time

Publication numberOT-2026-000100097 · never reused
Internal UUID01a0aea3-1474-7b3d-8c3a-64ffc0078157 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100097
StatusPUBLIC

Content hashes

Canonical text181c2a5b4d814d144592044e2bce2284354c60f6de47952d41049419635ec7d2
Markdown1e7ec42131cf5ce14ccada293bd64b7156955a24639041750132250228c218fa
PDF
Publication page1d7b0c5485a1c43120943636e9ebecc43e6563c48b61bde1ad4a9fb3caa3025a
Manifest9145019df6a0cc5a7f445af70570c49e6dfde6a7b0ba28b02e33f15d5175c083

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
Signature+HxQyaWjYGcdfzoYPcIVAfDisldrsfl6Af4iTT8rY2JBnggI8UWiNuXplJlgp6mI2oSxv7KpAL8IfAl6rSPOCA==
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

2026-09-17T09:29:03.379005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100097
observed 1d7b0c5485a1c43120943636e9ebecc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:03.363477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100097/manifest.json
observed 9145019df6a0cc5a7f445af70570c49e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:03.347864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100097/publication.md
observed 1e7ec42131cf5ce14ccada293bd64b71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:03.330599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100097/publication.txt
observed 181c2a5b4d814d144592044e2bce2284...
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.