OpenTechnical

OT-2026-000042574

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, sustained blow-off after 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-2026-000042574) never changes.

Identity and time

Publication numberOT-2026-000042574 · never reused
Internal UUID01a0ae7a-c0cd-7de2-88e3-5717bfea1570 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042574
StatusPUBLIC

Content hashes

Canonical textc16f424e09b1cfb885c7e6bf3b976a49cbfe94d8ad089b5aa6ce209d2225195e
Markdown34f5f7b713839f50e134811ed128f951a1c09935c111c4b9c6f47b3fe47c70d0
PDF
Publication pagea16d5c1f2fa76d386ab6ff1fdc303fa97a941218965eb84f11975c60540cfeb9
Manifest07a50962e8bdb48e45300f73791e537a3c669443e9c19bf6ffa86e1b1d1fd151

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
SignatureI5C9AjrIHHdVPaxU924MWGd0hq1GtEvdkadt6+xc5ze9UgRVirsaR+TBTMW9uLH/js1hhezE9wsWQ0F1l4PXDg==
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

2026-09-17T11:14:17.369551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042574
observed a16d5c1f2fa76d386ab6ff1fdc303fa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:17.352601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042574/manifest.json
observed 07a50962e8bdb48e45300f73791e537a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:17.333927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042574/publication.md
observed 34f5f7b713839f50e134811ed128f951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:17.315764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042574/publication.txt
observed c16f424e09b1cfb885c7e6bf3b976a49...
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.