OpenTechnical

OT-2026-000041858

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000041858) never changes.

Identity and time

Publication numberOT-2026-000041858 · never reused
Internal UUID01a0ae79-e8a5-7272-8542-70cb2485f0bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041858
StatusPUBLIC

Content hashes

Canonical textbc7411a298421e2753b58741620d741f470b5add0f9167d36e51c7e62071f880
Markdown5a8a2f98e3abdf0f85166125ac90dedcf6d059cd37f285214e87c25f514209fe
PDF
Publication page889a983e75c5a8496b184411688046205fc2f5ac1c5fed0603afb51eb3611d3b
Manifest038c859f95358d48170ce79947185609d5b77247e9ed1622d75b649d04842156

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
Signature6wHcrVJ8bvsGZfDcoKYSAV+gVsvk2qiIN5e/+yh1UaBeI3I49+yhoiaHcdL9Q7H195jO7P130QfaH5DAZ7K3CQ==
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

2026-09-17T11:16:43.724926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041858
observed 889a983e75c5a8496b18441168804620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.707092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041858/manifest.json
observed 038c859f95358d48170ce79947185609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.689772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041858/publication.md
observed 5a8a2f98e3abdf0f85166125ac90dedc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:43.673568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041858/publication.txt
observed bc7411a298421e2753b58741620d741f...
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.