OpenTechnical

OT-2026-000007418

Publication integrity record

Vacuum cup gripper, per zone isolation, three outlet manifold, two stage ejector, 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-2026-000007418) never changes.

Identity and time

Publication numberOT-2026-000007418 · never reused
Internal UUID01a0a97e-17a7-7e95-b411-4bba8107d4f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:13:28.233944Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007418
StatusPUBLIC

Content hashes

Canonical textdb65b3b332695ce2241f4de9f10fb5544614f1386269df28082f1960b0caefb4
Markdown047d220df145bcf8eaf07a65848307119229648ab85aefe7b23020fa340a18c1
PDF
Publication pagebd6ff1434aa3fedc43d4a491c268de7b740dab275646a47b74052536f0e80f91
Manifest389a60814fefea1634e0c16e7377c21476734a0267b66cea71f2488531b48d9f

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
SignatureHfhoXWh8PpukZ+z918rxFInt8DMxbCjQHyWZNMCdtDWYA4VSjLuEuXtxGxaQ2B4F+DCxyX/rbb8FUPGh0zPGAg==
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

2026-09-16T09:20:06.480515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007418
observed bd6ff1434aa3fedc43d4a491c268de7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.466685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007418/manifest.json
observed 389a60814fefea1634e0c16e7377c214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.452123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007418/publication.md
observed 047d220df145bcf8eaf07a6584830711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.437004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007418/publication.txt
observed db65b3b332695ce2241f4de9f10fb554...
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.