OpenTechnical

OT-2026-000039985

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000039985) never changes.

Identity and time

Publication numberOT-2026-000039985 · never reused
Internal UUID01a0ae78-d8d7-7f7f-b4a1-eda3bd9d36aa · 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-2026-000039985
StatusPUBLIC

Content hashes

Canonical texta39e38ee51e688f7885fc6152f825492476078c144f9029d54e00a030e60cb29
Markdown7d9cf202fb51c6ea66d22e99a5ee862909a9bb89a0c49458adefa86feeae0e00
PDF
Publication page0bf01455dc2e986fa9fd850bcb3dde509eef8a25f297b85ea34a001b9506aac9
Manifest8a0b030fecb6296b31eaedb7c24a88e8b581b0cf830e53be3be61834a4507f7e

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
SignatureoyZxuRC4nT98dsarR7Pk1calJBV1cBU1yWJ74GiG+6m9a94VOoFoaT2jwYTTAs32KMpMbyxxFbcLmc7znMh+DQ==
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

2026-09-17T11:20:18.957806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039985
observed 0bf01455dc2e986fa9fd850bcb3dde50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.938933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039985/manifest.json
observed 8a0b030fecb6296b31eaedb7c24a88e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.919757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039985/publication.md
observed 7d9cf202fb51c6ea66d22e99a5ee8629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.899908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039985/publication.txt
observed a39e38ee51e688f7885fc6152f825492...
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.