OpenTechnical

OT-2026-000054455

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed 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-2026-000054455) never changes.

Identity and time

Publication numberOT-2026-000054455 · never reused
Internal UUID01a0ae86-1282-7fe2-aa89-6b298f2a5957 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054455
StatusPUBLIC

Content hashes

Canonical textdc47eae9af2024b97baa9262a44c10ab549e73ea263b277ef92d7c3391504814
Markdownaf082b3ecaf9f8e832196b0173878f0fdd2d0f51719368b3186f8dccb99cef0f
PDF
Publication page40a45f4e2a59e0960c76bf2785cb9aa3272d9dc8b0a3763c69a5a43c71da9655
Manifest636a6e10afeea957d2c623bac87d1a41282480da2cbe00d95f871809271652e5

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
SignatureQ4R44giBpm7/BZPBQeT8kaJDqidQGhwVjGYyguirx0chCFrlGBozb3GeRFCNdQkOKyIITEWkqMDeKmFvBd/rBQ==
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

2026-09-17T10:53:26.685374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054455
observed 40a45f4e2a59e0960c76bf2785cb9aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:26.668110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054455/manifest.json
observed 636a6e10afeea957d2c623bac87d1a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:26.651147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054455/publication.md
observed af082b3ecaf9f8e832196b0173878f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:26.633401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054455/publication.txt
observed dc47eae9af2024b97baa9262a44c10ab...
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.