OpenTechnical

OT-2026-000095057

Publication integrity record

Three cup vacuum gripper, three zone face, single 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-2026-000095057) never changes.

Identity and time

Publication numberOT-2026-000095057 · never reused
Internal UUID01a0ae9f-2df0-7285-846a-c41cb4286022 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095057
StatusPUBLIC

Content hashes

Canonical texte39d0c119618e23d96da50054e557816e9f14dad4241a73911c4cf40672ebb63
Markdown6a75af60aa6620306858dceafd345ee23a456326641c26373c33ab424e8c2ac6
PDF
Publication pagec61bc48f3faf51477a1246e0a38137f890761af9faf1dd75d789c61bca0f23dc
Manifestfa9ea89a3933e7b9452ee8cb830bff4cf1e767b59aa13496c1ee21324319e822

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
SignatureklPvCD/emd/HP8jxQbrbgCrEnTl0eh3FE2t3NiJfNdC657jl/McO85lBYlYvw6lx2bbrK/6vjlheuLW+xEPxAQ==
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

2026-09-17T09:37:37.470374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095057
observed c61bc48f3faf51477a1246e0a38137f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:37.449191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095057/manifest.json
observed fa9ea89a3933e7b9452ee8cb830bff4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:37.431746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095057/publication.md
observed 6a75af60aa6620306858dceafd345ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:37.413661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095057/publication.txt
observed e39d0c119618e23d96da50054e557816...
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.