OpenTechnical

OT-2026-000045457

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000045457) never changes.

Identity and time

Publication numberOT-2026-000045457 · never reused
Internal UUID01a0ae7c-f76d-7664-b923-a4422c730316 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045457
StatusPUBLIC

Content hashes

Canonical text349a9d52525f75eaf54214f81667aeb7ae6d974f4fc32884e9d64f1f1bf2dba7
Markdowna976162da66feb1c9856cf81f438728152404a41c65149f6e86227173f4316b6
PDF
Publication page7bd70f8470a8e47372ef050025ba6cc27779642f0891f81548cb483eae45dc5c
Manifestbea834cd64d38991c02558aff775fe6f0fe3d0a26f72198892859a576ca96649

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
SignatureJP6/xwFtvOLh3HjR/pbmhiH+NMM7UMkbOqXOY6IxCDH9BDSJy89Pw+9VowxjSXSvRPz9ECSyNS7aajofvt9vCw==
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

2026-09-17T11:10:45.736468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045457
observed 7bd70f8470a8e47372ef050025ba6cc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.716498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045457/manifest.json
observed bea834cd64d38991c02558aff775fe6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.697107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045457/publication.md
observed a976162da66feb1c9856cf81f4387281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.679829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045457/publication.txt
observed 349a9d52525f75eaf54214f81667aeb7...
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.