OpenTechnical

OT-2026-000003730

Publication integrity record

Vacuum cup gripper, three zone face, three outlet manifold, two stage ejector, contact triggered

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-2026-000003730) never changes.

Identity and time

Publication numberOT-2026-000003730 · never reused
Internal UUID01a0a90a-e2c6-7ae5-acd7-3dd2c31dfbd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:38.056841Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003730
StatusPUBLIC

Content hashes

Canonical text69323ee720ef15ad1d4a0fc16ea658afd9b1f6a4198a9968be4000fc5a051607
Markdown1aee85e7b082935169cd2387e9d290bb313e7fcfd71187806cbf9c4f2ec9a00f
PDF
Publication pageb351b8c593ebff0591f0a364b15b450f5c58509e0664549e35e0a2f995f2238b
Manifest089c1b8e848209f309c035b004d88ef2a5876f1082f1043ea8a980f1f18ee3bb

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
SignatureumazzIAoFEePq9VJfADM3cS/uF57xoiBNrUFIsxqo2NxuwF4FtIDrNHyYZnKLRcH4HTtK+oNiuU3BPE/WI5rAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:50:34.406727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003730
observed b351b8c593ebff0591f0a364b15b450f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:34.393690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003730/manifest.json
observed 089c1b8e848209f309c035b004d88ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:34.379892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003730/publication.md
observed 1aee85e7b082935169cd2387e9d290bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:34.252826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003730/publication.txt
observed 69323ee720ef15ad1d4a0fc16ea658af...
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.