OpenTechnical

OT-2026-000042503

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000042503) never changes.

Identity and time

Publication numberOT-2026-000042503 · never reused
Internal UUID01a0ae7a-c0cd-783d-b3e5-48a0326e826b · 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-2026-000042503
StatusPUBLIC

Content hashes

Canonical texta3fe7f1e957e2d3101bf76a02635bf83aa2fb4ded722d028438c7628e2654c47
Markdown53bb60a3a3beccab62b9ca4e7666abbb0e2d80932fa74748659a313959775cb4
PDF
Publication pagebbd6a358f4230902d7ba8a824d3eb720156d5f9f1c10db0f4a22a53861a88d56
Manifest419dd48f954259f08acdb12e7fc649af1f6b63644e9c3a0ff93919735b52f1cd

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
SignatureI3Z2ZkxzazdEGHIkC5u3snK6VqcKkwXFZY8hkqKt9yyIo1N/zZjMR/wAG+hzrOQR8gG/pWIaIJHJmjbRv82oAA==
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

2026-09-17T11:14:04.785558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042503
observed bbd6a358f4230902d7ba8a824d3eb720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:04.766062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042503/manifest.json
observed 419dd48f954259f08acdb12e7fc649af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:04.745111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042503/publication.md
observed 53bb60a3a3beccab62b9ca4e7666abbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:04.722781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042503/publication.txt
observed a3fe7f1e957e2d3101bf76a02635bf83...
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.