OpenTechnical

OT-2026-000017409

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000017409) never changes.

Identity and time

Publication numberOT-2026-000017409 · never reused
Internal UUID01a0ae6e-76c9-7045-808b-b4f9c168df45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017409
StatusPUBLIC

Content hashes

Canonical textca07f912f5f8cc76340d1b8b44661791b1a73c6cf2fdd9ff496f7e4b124a3cf5
Markdownafe04bd116328aff4523c45a2ee623e8c357ca9270cc1a31e3bd5bcf1d90872b
PDF
Publication pagec490e23e50123b6d3b1f06c81551544f1163c92cd19facbf0fa70c4e5593a2f7
Manifestd46f59c4210a8e5e48c6f5f7b3a6f278a9d31fbe28641f5fae0d444c311ec9c9

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
SignatureKYhP5CrgeYIbpW3DMtYOQyDqT4ZmS58BybyWZ3PSlTMBEu7H1VvdN4fvLOIJ8zWQh7clWJtz8Ps+Y2QzTzp2Ag==
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

2026-09-17T08:44:13.741775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017409
observed c490e23e50123b6d3b1f06c81551544f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:13.554357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017409/manifest.json
observed d46f59c4210a8e5e48c6f5f7b3a6f278...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:13.275251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017409/publication.md
observed afe04bd116328aff4523c45a2ee623e8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:13.036740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017409/publication.txt
observed ca07f912f5f8cc76340d1b8b44661791...
fetched by grabo-systems from 34.44.131.203, 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.