OpenTechnical

OT-2026-000100519

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000100519) never changes.

Identity and time

Publication numberOT-2026-000100519 · never reused
Internal UUID01a0aea3-66f0-7deb-a53b-246da7826d83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100519
StatusPUBLIC

Content hashes

Canonical text86d637129e7226f4f6008dd3b27ff80a7441b6787cc8ccd4745c13b2d0891c03
Markdown3bdc9f7f21647c1d9fa01af6a7629d16c1b8eaa112b4c240561083f4cc4d2056
PDF
Publication page6ee151715315791ccf58448d80f5a5748f3dda4805474a58da42b08b80aa6c08
Manifestfde4c9ee5534ec8226d0f16366317df1bd67f2316d81d3499ba17435a56706e5

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
SignatureLSySpax0fROJ0rRtGHvFq3LnFUUMlFRBa0kQubpXt0W/6SMjOfmPF2Bld2sG3n+j5O8nYbtXIEKtKq01kDgrDQ==
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

2026-09-17T09:27:17.191710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100519
observed 6ee151715315791ccf58448d80f5a574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.175769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100519/manifest.json
observed fde4c9ee5534ec8226d0f16366317df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.159517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100519/publication.md
observed 3bdc9f7f21647c1d9fa01af6a7629d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.143901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100519/publication.txt
observed 86d637129e7226f4f6008dd3b27ff80a...
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.