OpenTechnical

OT-2026-000054080

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000054080) never changes.

Identity and time

Publication numberOT-2026-000054080 · never reused
Internal UUID01a0ae85-b3a7-7245-b5e5-3a018b232160 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054080
StatusPUBLIC

Content hashes

Canonical text2ef7744f7ae6257eab6ea1b9342f5374641a186cd07df0efe7528545799dce5f
Markdown92010d4312af8bc1d17e14bff9c0745c4e13212e1d76b5cc596c13854a53ad3d
PDF
Publication page74ed73a935cebe62c133a9370aecdc7543c7a048be47f812ba633890dfa9459c
Manifestf4a619367fdc07fecda5093038dd62696eed8fa4dd043cd15aec1783ed4471b9

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
SignatureSHSE6z1gSYGGjAugr9ukV/jU3e0kMlGh0C3MPe7i69dReW6yNz7ejjtr5/eVAP7ulk+SiGHHfuVygzOMNjJnBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:27.744620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054080
observed 74ed73a935cebe62c133a9370aecdc75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.724502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054080/manifest.json
observed f4a619367fdc07fecda5093038dd6269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.704553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054080/publication.md
observed 92010d4312af8bc1d17e14bff9c0745c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.684090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054080/publication.txt
observed 2ef7744f7ae6257eab6ea1b9342f5374...
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.