OpenTechnical

OT-2026-000093901

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000093901) never changes.

Identity and time

Publication numberOT-2026-000093901 · never reused
Internal UUID01a0ae9e-92c8-75e8-a6b0-19902a872d44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093901
StatusPUBLIC

Content hashes

Canonical textf40d70a8f33739a4700af0032775e6a09eef1466c636828d9c8f0f3f8677c700
Markdown2763ec87353c13aabfaf2766d53ca06c1308e0789fa4af7adb006a7459cd6ea4
PDF
Publication pagebfec4bcc7f8183948ae87f9f80ab44173b3b6c2a78c0fa306113285b15f39174
Manifest9a213b76645d6a1cad2a080343a78c67c078f3c11a12105ded87ce3d5b9ab8d4

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
Signature3fUPU17yN5rOM0ayyBe+PqgwVYyxzhG8cbVbWtiEeS03rz0QCzt7kCFcbL8dTzX+mClSinCFIFLd32SlI78kCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:10.102296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093901
observed bfec4bcc7f8183948ae87f9f80ab4417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:10.083863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093901/manifest.json
observed 9a213b76645d6a1cad2a080343a78c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:10.066413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093901/publication.md
observed 2763ec87353c13aabfaf2766d53ca06c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:10.049539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093901/publication.txt
observed f40d70a8f33739a4700af0032775e6a0...
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.