OpenTechnical

OT-2026-000030403

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000030403) never changes.

Identity and time

Publication numberOT-2026-000030403 · never reused
Internal UUID01a0ae73-e503-7110-9c36-138fb9257539 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030403
StatusPUBLIC

Content hashes

Canonical text29161cdd6b9c8907abc241f71342df0a98e16b50ef4af450f52e5858b211a949
Markdownf222949b1249579558df2c15a8d7fbc86fbe7fa2ff24c1bbded9dc11fe7dc52d
PDF
Publication page476debc7a7efb20d8118f2a0a2ff9183040c053eff636a839765812a2e9cb222
Manifest4292741281844b5ce945c674a3aa342acfa7468eaca4e3142cd51622bc28214d

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
Signatureu+9X23BxU2yPBOyr4baEjCAe5HukGRPulTc5wvxBqdYOaxNo5D9mwalLel9p7llqZ61LFBtetMwnXUzq/pLoAg==
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

2026-09-17T11:38:08.015286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030403
observed 476debc7a7efb20d8118f2a0a2ff9183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.998015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030403/manifest.json
observed 4292741281844b5ce945c674a3aa342a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.981600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030403/publication.md
observed f222949b1249579558df2c15a8d7fbc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.962554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030403/publication.txt
observed 29161cdd6b9c8907abc241f71342df0a...
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.