OpenTechnical

OT-2026-000102083

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000102083) never changes.

Identity and time

Publication numberOT-2026-000102083 · never reused
Internal UUID01a0aea4-50f2-7508-b271-c5dc0e1a30a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102083
StatusPUBLIC

Content hashes

Canonical text3870b9acfa1f14f489001085ba00c68f2e1ce44e5d8aa1cc44e76d4d096d7c63
Markdown93d6fbd5835ef97e66a92ecd8e1dc053a015ce10939851a8309ade77d1129136
PDF
Publication page952acc33f0270625aa1383922e95c03cc27c9601f5b60ef88eaff683ca5dac6d
Manifest30e4eb5ad47ac2d95ddbe2a055aef378c0d9ec0adde63d32524309ec5091a974

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
Signaturexxvem4t0KsF7Bb+SIB0gkFiudhA6VRKg51ZC3rYM1YPiREfYyBCgPYTDsxl8uvnzWInV7mKzsevXwWCu2LwyCw==
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

2026-09-17T09:25:13.763206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102083
observed 952acc33f0270625aa1383922e95c03c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:13.743771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102083/manifest.json
observed 30e4eb5ad47ac2d95ddbe2a055aef378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:13.726151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102083/publication.md
observed 93d6fbd5835ef97e66a92ecd8e1dc053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:13.706734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102083/publication.txt
observed 3870b9acfa1f14f489001085ba00c68f...
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.