OpenTechnical

OT-2026-000054459

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-2026-000054459) never changes.

Identity and time

Publication numberOT-2026-000054459 · never reused
Internal UUID01a0ae86-1282-726b-86a4-9d3266ff2a66 · 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-2026-000054459
StatusPUBLIC

Content hashes

Canonical text3be449652a3d3588ba012180ffbd2cf5d21856a188e9b93623bd1c7f576e1086
Markdown14d1b6463a6c296c26914e1b61332f63e13d612b3118a41b13c3ac5ed5c7408a
PDF
Publication pageddc8aaedd86c1b1309a0ba8fe26baf3c8d58b08c25588ab7ce2b21cd2d4918fb
Manifestff26994b9372d68199ebfa0e84c81f9d12c488591b2e07a39a55d294071d5c6b

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
SignaturegKEcm7T7XY4QKJ0T7NREcGa+giuVlpcacH6Ynj4R/tyIWYqARKEG+dePTHsHW2r97TlBitA2qJQf7kUsdzzUCQ==
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

2026-09-17T10:53:26.982689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054459
observed ddc8aaedd86c1b1309a0ba8fe26baf3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:26.963752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054459/manifest.json
observed ff26994b9372d68199ebfa0e84c81f9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:26.944698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054459/publication.md
observed 14d1b6463a6c296c26914e1b61332f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:26.927498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054459/publication.txt
observed 3be449652a3d3588ba012180ffbd2cf5...
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.