OpenTechnical

OT-2026-000052014

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three 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-2026-000052014) never changes.

Identity and time

Publication numberOT-2026-000052014 · never reused
Internal UUID01a0ae83-e78e-726e-b18e-fc9dd6854afe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052014
StatusPUBLIC

Content hashes

Canonical text319fbe6ef5e14483499a2e356ab803f4ed8b23e364595a854415cdd3fedb589c
Markdownf6a50523214c0e370b87e9a787f473f200b3dc46209b64b0f4e92e986da12af5
PDF
Publication page108cddd1bd29566c0b83a0d575a8fffcf308e10a34ed3c4b9c01479415f28d43
Manifestc648f916ffcd59d2be436b714a577208ee1144d9d7ae0ac99d42af5ec9d15e2c

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
SignatureQ/25N/WYkWDGtEaSSew/ATJhWecCGCumfyEtblj1N4WVFlcW8yEXhIxIKrqr6/S0I5oi1uQMxf5SQw6bVa0SDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:31.434735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052014
observed 108cddd1bd29566c0b83a0d575a8fffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:31.415525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052014/manifest.json
observed c648f916ffcd59d2be436b714a577208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:31.397683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052014/publication.md
observed f6a50523214c0e370b87e9a787f473f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:31.381389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052014/publication.txt
observed 319fbe6ef5e14483499a2e356ab803f4...
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.