OpenTechnical

OT-2026-000099979

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000099979) never changes.

Identity and time

Publication numberOT-2026-000099979 · never reused
Internal UUID01a0aea3-1474-7a8d-933b-b4be02f95915 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099979
StatusPUBLIC

Content hashes

Canonical text5c2eb0a05c0ff098d30ccf22289d851fdd8bd04c0bcddf76dea422e8b2fe52d2
Markdown2173cc613633b151d14975c1495a0d3d058bf6375f68afe0e3174951c0745ea7
PDF
Publication pagef8cfb7bba6822a478ad54410f28fdca3f892f50d72f603009fbfcf8f13970929
Manifest6c7e76abd5de2068b4fb570e72e8201b514a57db7fe7e8f0afe61585766059cc

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
SignaturedaHx32kKuSD8yjd7qp8Rpd2lQXtqelkfpMx83wb95IBJf2iY7xQHfrVZB18RGlwzK/eF2j1gQizlOqX+AQE2Aw==
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

2026-09-17T09:30:40.914739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099979
observed f8cfb7bba6822a478ad54410f28fdca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.893138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099979/manifest.json
observed 6c7e76abd5de2068b4fb570e72e8201b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.871813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099979/publication.md
observed 2173cc613633b151d14975c1495a0d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.854101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099979/publication.txt
observed 5c2eb0a05c0ff098d30ccf22289d851f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.259015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099979
observed f8cfb7bba6822a478ad54410f28fdca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.240855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099979/manifest.json
observed 6c7e76abd5de2068b4fb570e72e8201b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.222638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099979/publication.md
observed 2173cc613633b151d14975c1495a0d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.203210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099979/publication.txt
observed 5c2eb0a05c0ff098d30ccf22289d851f...
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.