OpenTechnical

OT-2026-000095243

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, 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-2026-000095243) never changes.

Identity and time

Publication numberOT-2026-000095243 · never reused
Internal UUID01a0ae9f-8f70-7873-92c2-aa9d2ffb38c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095243
StatusPUBLIC

Content hashes

Canonical textdcdd8790b846916a48c8d97a003d3b0410ad9a52bd3c29805e2ac140aac18400
Markdown834d7bf9bbc2a9b4e98f2d2d6517704ebf6b7531a5cec1783c1f135e11a0e76b
PDF
Publication page232be19fa22d426af20f3298e632cad741592b9091ce1ecf310f3870fb3ed9eb
Manifest9fa737f64656652a76792c703bc8f0deb30f06b0c10f5755f573132faa2bc3f5

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
SignatureiiGnmHOud3ad5PTMM8fR+iJqSrGF8xuXOCfWw6ISHL1oexr1+Hayo2z2Zup62Q3E8EIiv6KGorkj0S01nMrYDQ==
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

2026-09-17T09:36:34.166344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095243
observed 232be19fa22d426af20f3298e632cad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.148370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095243/manifest.json
observed 9fa737f64656652a76792c703bc8f0de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.130368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095243/publication.md
observed 834d7bf9bbc2a9b4e98f2d2d6517704e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.112182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095243/publication.txt
observed dcdd8790b846916a48c8d97a003d3b04...
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.