OpenTechnical

OT-2026-000015749

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000015749) never changes.

Identity and time

Publication numberOT-2026-000015749 · never reused
Internal UUID01a0ae6e-0c4c-70fc-b4bd-4e6051fe1c72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015749
StatusPUBLIC

Content hashes

Canonical text4fb960e42c2c134596513cac7f994726fdd2c168852ba555cc4e945e56141a20
Markdowna1a8d2a716233a84fe46a7ce6bd6be2e8594642236983416904068d7feef903e
PDF
Publication page9bcda0ced072d7b7d2a7f5974d201d88e67ffdac4003727813243c240ee7bb3d
Manifest7fdb0de9da31e1f27724d8df21ef128fa5e0a3615ca51e7e2ae9144923f06959

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
SignaturejBJBhMk5cHoqLyFjP+AUopYF1245YZhmY4cBIGM3MtU9N2ULPnuO01LPoOU4Jw4sU1Q3TInBRQymDkNV4k70Bg==
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

2026-09-17T12:05:02.494312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015749
observed 9bcda0ced072d7b7d2a7f5974d201d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.476667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015749/manifest.json
observed 7fdb0de9da31e1f27724d8df21ef128f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.457582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015749/publication.md
observed a1a8d2a716233a84fe46a7ce6bd6be2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.436396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015749/publication.txt
observed 4fb960e42c2c134596513cac7f994726...
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.