OpenTechnical

OT-2026-000061552

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000061552) never changes.

Identity and time

Publication numberOT-2026-000061552 · never reused
Internal UUID01a0ae8b-7b44-7ae4-9bf9-f8028f1a61fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061552
StatusPUBLIC

Content hashes

Canonical textb37a54d898db493ecf99f7d6f9122d7395b26c1914706d732b4efbc158880464
Markdowncc44a41553b39c9fc6ea3464227fdc20a1eea44e3f89b207f09069738d318929
PDF
Publication pageef08728360a561adc922cdff5b366127495f702fe496f416716ecd2c9485d6ce
Manifest528757f92020d2b26e83773529fdbcda63d1c918bf58f6f97ad53aeaff777938

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
SignatureDTGkYJisl0A50jqbYrII9fsYaq9cG8lpEYrcmlCWigTOLXIBsfwV1+KQRQoBfytXgPXH7l06mM1IlBlW0izIBg==
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...

Independent retrieval

2026-09-17T10:41:27.837705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061552
observed ef08728360a561adc922cdff5b366127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.817947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061552/manifest.json
observed 528757f92020d2b26e83773529fdbcda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.798247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061552/publication.md
observed cc44a41553b39c9fc6ea3464227fdc20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.779988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061552/publication.txt
observed b37a54d898db493ecf99f7d6f9122d73...
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.