OpenTechnical

OT-2026-000017269

Publication integrity record

Single cup vacuum gripper, pump fed, 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-2026-000017269) never changes.

Identity and time

Publication numberOT-2026-000017269 · never reused
Internal UUID01a0ae6e-76c8-7366-a3da-9df71236e0b4 · 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-2026-000017269
StatusPUBLIC

Content hashes

Canonical text269fb5d5b432a95e95c2225bed0bb6b90e54e27c1fa7653bee71a35df48080d0
Markdowna2efd0be9baa3a8187bec75024e37233eeadef62b16d2460d885424b57b1e2ac
PDF
Publication page30307ac49d55cd3284b9ba495a37a1cdcec9d67ecf480a09474b367333c81aab
Manifest6023276828758582a63e362686c840ca5a700ba2f9774e03be050f7306f086a7

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
SignatureGQ62S3InGLlixU61psvAPm6ZwBwV2l03KwbNqXxh4ulAw+07QHWz/z4zFFiKWL9YOJMoHVRvfOd1KtP4oAOEBQ==
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

2026-09-17T12:02:21.727658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017269
observed 30307ac49d55cd3284b9ba495a37a1cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:21.710041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017269/manifest.json
observed 6023276828758582a63e362686c840ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:21.692679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017269/publication.md
observed a2efd0be9baa3a8187bec75024e37233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:21.673575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017269/publication.txt
observed 269fb5d5b432a95e95c2225bed0bb6b9...
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.