OpenTechnical

OT-2026-000007360

Publication integrity record

Vacuum cup gripper, per zone isolation, pump fed, contact triggered, silicone cups, oval form

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-2026-000007360) never changes.

Identity and time

Publication numberOT-2026-000007360 · never reused
Internal UUID01a0a97c-0953-7fe6-ad54-23768905ab36 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:11:13.494337Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007360
StatusPUBLIC

Content hashes

Canonical text83f645f984579fcff5bb79a64498bc373097a26cdcf396a48064f0a3423c8fa9
Markdown2d4104b22661d3e786fd438d34c6086e3b908935d4083a23c28e9a050ae49d76
PDF
Publication paged81a7ebafa6403588e6b2d317cfcc46b59333776565072a044f2e2915065da88
Manifest4d889c590a3682e6c45943c519e2322dff02ccd0509e248e283dfe1561c69d84

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
SignaturedMa4hT2ryTg5AIpGglCGkFUAAPXjpXhau82t1w8ma4TL0WE8R58GH10mon5OXq6WULxwAt2H0TWUXMBMCdU0Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:09.725239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007360
observed d81a7ebafa6403588e6b2d317cfcc46b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.713157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007360/manifest.json
observed 4d889c590a3682e6c45943c519e2322d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.698493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007360/publication.md
observed 2d4104b22661d3e786fd438d34c6086e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.685415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007360/publication.txt
observed 83f645f984579fcff5bb79a64498bc37...
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.