OpenTechnical

OT-2026-000038841

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000038841) never changes.

Identity and time

Publication numberOT-2026-000038841 · never reused
Internal UUID01a0ae78-769f-78d1-9ea2-a2964f17ccde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038841
StatusPUBLIC

Content hashes

Canonical text65f22c399b6c6f0b1058e8d8b42bf1e29f1ac0d08e2f9d200f2a682de39f4173
Markdownd3079a217d0a4ac1a006126bcd45faa207b437a16e6f654d3396653f629c0867
PDF
Publication paged8e2bbe15fdfca5a92612b9e3216705e8e0abf6f11f84f0fb2910190b64cd836
Manifestb9af0a957d9c223d81a6364ee3457485d8f837a52c3a30f0dee640048a50ddfb

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
SignaturelWkvqGW4eeUXb7LWDGLxSEXPh3POpILVf7ogyT7N1IJRAKrYOinRDiUsx2nLam8KOd94O7YRhG8LOuqK23DMDA==
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

2026-09-17T11:21:24.594998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038841
observed d8e2bbe15fdfca5a92612b9e3216705e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:24.575714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038841/manifest.json
observed b9af0a957d9c223d81a6364ee3457485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:24.558488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038841/publication.md
observed d3079a217d0a4ac1a006126bcd45faa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:24.539607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038841/publication.txt
observed 65f22c399b6c6f0b1058e8d8b42bf1e2...
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.