OpenTechnical

OT-2026-000042027

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000042027) never changes.

Identity and time

Publication numberOT-2026-000042027 · never reused
Internal UUID01a0ae7a-5d70-7e91-bcff-de1148b891ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042027
StatusPUBLIC

Content hashes

Canonical textf9f9ac96f4ff6ec55a642ce1912a5aa6d5b01c40471d930a24cbb52a71a3dd2e
Markdownefcbdde096530195d54e586fa17fb8c04d211e2ea2bb5a362bb17d73caab5d6d
PDF
Publication pagee3dad4ea96660a42fc701c4e8a140e969eeef3115c30bab9f1ae064a6603d482
Manifestaff6c4bb90130b2e2575abe1521596ba3f931d1163463e11be9f3bd20d6da6c6

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
SignaturenP7Q3CWmuiYe0jrLBP5Vy2NYPjmDMCqpYI3G2uaTtfDCgXpjhQ4jUNE4YFqeQKdYt4lvKfgD2DApgke/hfn3BQ==
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

2026-09-17T11:15:32.110653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042027
observed e3dad4ea96660a42fc701c4e8a140e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:32.090614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042027/manifest.json
observed aff6c4bb90130b2e2575abe1521596ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:32.046742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042027/publication.md
observed efcbdde096530195d54e586fa17fb8c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:31.995776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042027/publication.txt
observed f9f9ac96f4ff6ec55a642ce1912a5aa6...
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.