OpenTechnical

OT-2026-000046576

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000046576) never changes.

Identity and time

Publication numberOT-2026-000046576 · never reused
Internal UUID01a0ae7e-57dd-74d4-8a8f-5434ab51ca00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046576
StatusPUBLIC

Content hashes

Canonical textdad33e5af85b96133ce70ffdecab63f5d7d31cb3a4751a293d8d463c4a964985
Markdown3b9aa70a8a53e68d8b0612105eeb4a73a1963e98f474ebe3d9cfd516fcc3cc34
PDF
Publication page1d49ec88395ff8e15d41cb50ebf74a94d74eb86ca667e8b6a85f0d6efd859903
Manifest87d648b3c563e44683731051375c1115f115bb072ed16de85f11bb6a9124123e

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
SignatureqaCNvUN2LzONTNWlm/u8efsGz99J92/z3gk5lhPsoslU6hRO0v3zfk9RbL3hCCXJfPCL0ig5zgUFMTkFHMZ2CQ==
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

2026-09-17T11:08:38.696925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046576
observed 1d49ec88395ff8e15d41cb50ebf74a94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:38.678062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046576/manifest.json
observed 87d648b3c563e44683731051375c1115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:38.657977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046576/publication.md
observed 3b9aa70a8a53e68d8b0612105eeb4a73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:38.636402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046576/publication.txt
observed dad33e5af85b96133ce70ffdecab63f5...
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.