OpenTechnical

OT-2026-000103923

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off after set-down

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-2026-000103923) never changes.

Identity and time

Publication numberOT-2026-000103923 · never reused
Internal UUID01a0aea5-15e7-7a8d-b0f5-d1bbad65bb55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103923
StatusPUBLIC

Content hashes

Canonical text582923f0b16ab40e7993329da561c2e64dc0e5d92d1751a17ad2de158cd95fc3
Markdownf852775f176296f7f687aa62df8a2b5e2759253322194bba4a9fa7197f4f227a
PDF
Publication page95a66259e29c4a52af0d51b785abc58608d9259b5ef661d48e4f5eb61d1b3ca3
Manifest183b2e1118bd0b18eeb23a28ea5c824edfba485bd9e5579b1a6e8288d185a954

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
SignatureyJ59WyAZZEY1J85nPUcjkaVkKMUIq/geIx8qBRoKjmiH+vuVsaOAqTSvuQawJCy+bjU5jrdaRjxYUI06saBIAA==
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

2026-09-17T09:21:55.160080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103923
observed 95a66259e29c4a52af0d51b785abc586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.142914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103923/manifest.json
observed 183b2e1118bd0b18eeb23a28ea5c824e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.125320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103923/publication.md
observed f852775f176296f7f687aa62df8a2b5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.107120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103923/publication.txt
observed 582923f0b16ab40e7993329da561c2e6...
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.