OpenTechnical

OT-2026-000007369

Publication integrity record

Vacuum cup gripper, four zone face, four outlet manifold, pump fed, contact triggered, polyurethane cups

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-2026-000007369) never changes.

Identity and time

Publication numberOT-2026-000007369 · never reused
Internal UUID01a0a97c-577d-7036-a5e4-7d293bb57954 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:11:33.503730Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007369
StatusPUBLIC

Content hashes

Canonical textd0c4c596239e4976ee0d237ec779ce4645a52d65aa5d955ec8dd9c7edf1ba430
Markdownc807973414601b0713a8abff511f367dfe2625f1484a68debb8934bcc186347d
PDF
Publication pagef609a2e4fcc36cc975382ca8ed5d998232fe0b40e1e5e2eadb2cfa0b9db4e5f2
Manifest467a7fdde94ff2b12bd69983d8a573ee38a0b152412a7db4eb28cd3a98f9cfcd

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
SignatureEc3K5S5QyyWC8ThMYfXN7xzMIx9/fTavKT+bLLo+YXUIo+Qni253RJYGm3TiMfB1OXlZobS2Omh42ZpKRooRCg==
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

2026-09-16T09:20:09.231514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007369
observed f609a2e4fcc36cc975382ca8ed5d9982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.219901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007369/manifest.json
observed 467a7fdde94ff2b12bd69983d8a573ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.206728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007369/publication.md
observed c807973414601b0713a8abff511f367d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.193750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007369/publication.txt
observed d0c4c596239e4976ee0d237ec779ce46...
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.