OpenTechnical

OT-2026-000095140

Publication integrity record

Three cup vacuum gripper, three 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-2026-000095140) never changes.

Identity and time

Publication numberOT-2026-000095140 · never reused
Internal UUID01a0ae9f-8f6e-77d3-a917-023bd93c6dc2 · 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-2026-000095140
StatusPUBLIC

Content hashes

Canonical text4c552e2cc29616573da6e99098a562fc1c84a1e651842d1f85aba28730d94add
Markdown02db868e91dbc5b560264f13efe4711dc560e375867a141a16cdeb3ba2a700f8
PDF
Publication pagedbf48616d537a486fd699d6a321609e31dc9cc6d3b21ded40218b03c470d0a8e
Manifest424de8c96f704482a7721c469610e8db242407856397334978d393809c966e70

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
Signature1PucDejypY4Lh5kwLufAQAqwvIEsFGmRu3ATbT1Eo0Dl3KMcJNjVmtxBuS6zx3h9nZ+XtH/KyYaxQC0O16WgBA==
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

2026-09-17T09:36:26.191335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095140
observed dbf48616d537a486fd699d6a321609e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:26.171338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095140/manifest.json
observed 424de8c96f704482a7721c469610e8db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:26.153830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095140/publication.md
observed 02db868e91dbc5b560264f13efe4711d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:26.135723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095140/publication.txt
observed 4c552e2cc29616573da6e99098a562fc...
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.