OpenTechnical

OT-2026-000051045

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000051045) never changes.

Identity and time

Publication numberOT-2026-000051045 · never reused
Internal UUID01a0ae82-c7b5-7a5b-b2b9-1786774decd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051045
StatusPUBLIC

Content hashes

Canonical textd1cdbf1c06aa21e73e88bc1340b2ae08925408147e8d4c0c121d29e502f811f6
Markdownbcd6c915acc2c5c4556ddfea12ae13829d502882baf42136f48a3edb19347247
PDF
Publication pagea1c1ce9c6903492c6fd8b8d07ea2990d448876ecc57f3480ed8f9e074f0eb996
Manifestd6cc1da82ead04bd228d8ee6f53e17b46fd038c04b8ab28d09752d7168f8bb4e

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
Signaturecv5xHc/j+B33RXUYV6mexUwkuES9014u6Ofn9Vu3GdCtQyjOhdAsjb14Blp1EcN9mlSaRj3Vt5yuCZZfg3/QAw==
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

2026-09-17T11:00:57.574605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051045
observed a1c1ce9c6903492c6fd8b8d07ea2990d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:57.554534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051045/manifest.json
observed d6cc1da82ead04bd228d8ee6f53e17b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:57.533824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051045/publication.md
observed bcd6c915acc2c5c4556ddfea12ae1382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:57.514495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051045/publication.txt
observed d1cdbf1c06aa21e73e88bc1340b2ae08...
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.