OpenTechnical

OT-2026-000069959

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000069959) never changes.

Identity and time

Publication numberOT-2026-000069959 · never reused
Internal UUID01a0ae91-1860-7319-897f-18bd1511ba05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069959
StatusPUBLIC

Content hashes

Canonical text4251007acee72ee8649afe0d4239feb3f69faaf990c988680d12e7b7b4082792
Markdowndae3d718a10ebdccdbbb9152b282cd034d3aa18ab468592249280d24092529c0
PDF
Publication page1d7516ecc52e21b2b5c40779ab1912b714f9b0ee7ee4b2992657ccc2dc56e168
Manifestd3df943f92e1e7311ecd90ca29535e7eca32cc6eea66c06cfaf3a3350fe0775b

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
Signature/0q1tYua8wGrwcF8VtYhRqzWk7kdpP3I7rhs4he+zrsGgJCjOSDBn4CozrPArP5LsQt02Xzl59uGsU8lmHs2Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:54.007537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069959
observed 1d7516ecc52e21b2b5c40779ab1912b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.989701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069959/manifest.json
observed d3df943f92e1e7311ecd90ca29535e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.971146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069959/publication.md
observed dae3d718a10ebdccdbbb9152b282cd03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.950866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069959/publication.txt
observed 4251007acee72ee8649afe0d4239feb3...
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.