OpenTechnical

OT-2026-000053732

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000053732) never changes.

Identity and time

Publication numberOT-2026-000053732 · never reused
Internal UUID01a0ae85-735c-7d59-bd2f-84fda91fc9fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053732
StatusPUBLIC

Content hashes

Canonical text5f1f55c9cfea468c0b295f87a1c7bff2a9303cc1cd873fcdd436fec3c32825e2
Markdown9f84eab22ed84cd9845d445ad9095a6ea33175f00dde360468eaf26ea945ad6c
PDF
Publication pageffb046ed1e86c1d2c831e55f772242b8d2fd4640539b20b64b39e9df1b6a8582
Manifest45100a35a07abc84143a0091d043eb93bd6fe53bcc0fde4d7ffd73eb93f0db0b

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
SignaturelXYB0PrEvTkQJH9UCO1+EFiYiCLLrs37voX39HeFil8K6h8XUd8+kJ6LablL2nL0SrE6o8BzdzHtGqssyKDKBQ==
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

2026-09-17T08:40:19.051390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053732
observed ffb046ed1e86c1d2c831e55f772242b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:19.034142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053732/manifest.json
observed 45100a35a07abc84143a0091d043eb93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:19.015058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053732/publication.md
observed 9f84eab22ed84cd9845d445ad9095a6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:18.996319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053732/publication.txt
observed 5f1f55c9cfea468c0b295f87a1c7bff2...
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.