OpenTechnical

OT-2026-000045019

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, pulsed 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-2026-000045019) never changes.

Identity and time

Publication numberOT-2026-000045019 · never reused
Internal UUID01a0ae7c-f767-7d12-abc6-67cd941ce5d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045019
StatusPUBLIC

Content hashes

Canonical text715055e1e395ae1ab85331107c93966b33c36406ff072dfa318326f800781666
Markdownff64ce592bf9c635391baa06f6924b2526e652ea2c303a38525d51287cf60b3d
PDF
Publication page656036454fc2d52aa8d7de616c85e95d2698bacd76ef84701e88d8f974920bc8
Manifest3b541a5771abc3f8444aaaecdeb740e213d7bbcedce0cec12a537f9dbf742b7b

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
Signature5cCaPBTTFwX504+wl0yhmZJzHg1N0D0jgHMuDDs8wsrv0A7r0LgDCx+lSw/FQAqCSEX508QQWarV/xv1awJWAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:01.722076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045019
observed 656036454fc2d52aa8d7de616c85e95d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:01.705127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045019/manifest.json
observed 3b541a5771abc3f8444aaaecdeb740e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:01.687945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045019/publication.md
observed ff64ce592bf9c635391baa06f6924b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:01.670575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045019/publication.txt
observed 715055e1e395ae1ab85331107c93966b...
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.