OpenTechnical

OT-2026-000039845

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000039845) never changes.

Identity and time

Publication numberOT-2026-000039845 · never reused
Internal UUID01a0ae78-d8d6-71ca-a51c-ab89588134d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039845
StatusPUBLIC

Content hashes

Canonical texta068af47fbf3a7ec90360272e002784777f6658486ec22ddbff2678c7b895b1c
Markdown9f1a8d0b2346ca8e0758cd40805ffad45cea5e66b1a3a6e588d144b08426c8c2
PDF
Publication pageff6ef67fdbf140fc1db399dff51390e7868620d10eb0d82846ddd31e4e178fa4
Manifest3c215e57dfdebdbccbb41ff39714e7e8fc8cfb58885701f4572bbc9e5e200758

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
SignatureB3cfqkdn59xk8Q2RkU0Bf02iYZjjAB05PKnKQHExvAVZImyMYXsQrsyTXLOGhh0MwUs61nAYTN/mQBVFiBCgBA==
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

2026-09-17T11:20:05.528078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039845
observed ff6ef67fdbf140fc1db399dff51390e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.511688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039845/manifest.json
observed 3c215e57dfdebdbccbb41ff39714e7e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.478455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039845/publication.md
observed 9f1a8d0b2346ca8e0758cd40805ffad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.437205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039845/publication.txt
observed a068af47fbf3a7ec90360272e0027847...
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.