OpenTechnical

OT-2026-000046619

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000046619) never changes.

Identity and time

Publication numberOT-2026-000046619 · never reused
Internal UUID01a0ae7e-57de-7ea0-9ada-2eb351a84c13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046619
StatusPUBLIC

Content hashes

Canonical text74eb796629d96440e6c9f06904a3feb92ebe86257bda1d06c18981fbd7bbe43f
Markdown73ac989032c0b960f3dcd47b0ac54bf904ec1015e54b890cfa4bd410bf8beb20
PDF
Publication page8178eccd4ef5b3f0fc745b6c4a17d0454cba604e09392ac628326d8dbc1ece39
Manifestce7eadd9932d6a43569f3f9e62995f4bddc401ce32c120e655b8451bc57f7799

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
Signaturei7FDh/sufHRfuSbFfZJWcunUXmALPag5MDOJpD+qPmZdhpAzeUrJe2Ztn3hjMmse+H5hMbieJ0sYPUXCShY6BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:08:42.140366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046619
observed 8178eccd4ef5b3f0fc745b6c4a17d045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:42.120249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046619/manifest.json
observed ce7eadd9932d6a43569f3f9e62995f4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:42.100010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046619/publication.md
observed 73ac989032c0b960f3dcd47b0ac54bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:42.081307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046619/publication.txt
observed 74eb796629d96440e6c9f06904a3feb9...
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.