OpenTechnical

OT-2026-000064942

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000064942) never changes.

Identity and time

Publication numberOT-2026-000064942 · never reused
Internal UUID01a0ae8d-debd-7cb1-9e31-9b5f1b0b98d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064942
StatusPUBLIC

Content hashes

Canonical text51a86be1f0426b13ace33e848db5f5f4b3b7c36d4670240375c723ac7b246d92
Markdown6e59e00dd4aa0b5bf1413e99829f170f333d193a375f43b2f53d31955a322406
PDF
Publication page0864518d47ef322b062d6913073a0188db0a963fde4acc51c6f83f5f89a3c0da
Manifest7f7ed0344f457f2002ba411f659c3ea33e969e7f7c12cc70ac7eb10ee9963a8a

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
SignatureujjVvWyRug0ZiJA4xMGdn1PZ9a4kYyaCFqwpNImBC8f0rb+b/KFxBLAWCbnNmByEeVtqvOo48OKt3xMxbEKlBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:52.864661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064942
observed 0864518d47ef322b062d6913073a0188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:52.847950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064942/manifest.json
observed 7f7ed0344f457f2002ba411f659c3ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:52.829833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064942/publication.md
observed 6e59e00dd4aa0b5bf1413e99829f170f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:52.809309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064942/publication.txt
observed 51a86be1f0426b13ace33e848db5f5f4...
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.