OpenTechnical

OT-2026-000061912

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000061912) never changes.

Identity and time

Publication numberOT-2026-000061912 · never reused
Internal UUID01a0ae8b-b8ad-7af1-9c0d-066fcc4f6dd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061912
StatusPUBLIC

Content hashes

Canonical textcbfd0f21d713aea2717113bf37fa737d38d2d9259b1e806c576b5825e2320898
Markdownb84f2599fda9291a40b708b87ecdaf96c78af3303153f5a125e87ac84caa2747
PDF
Publication page5c8c5edfbacf7f80701327d61ab382bdf155e687050a5e3870167814ccb488de
Manifestb383ea1372335f9a9a8ab99ed2d48f1ee5611a7fd0e36a1c76796339ea98c5d6

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
SignaturedXxNKA7gZe0fpnjEj4uvjQgPvPK9uWTv4ybEPsiFgFwX5ZAe53MKAFliNglLVr4txk7CBg6f2QYUEaWWybbHCg==
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...

Independent retrieval

2026-09-17T10:40:47.520670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061912
observed 5c8c5edfbacf7f80701327d61ab382bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:47.499552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061912/manifest.json
observed b383ea1372335f9a9a8ab99ed2d48f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:47.481801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061912/publication.md
observed b84f2599fda9291a40b708b87ecdaf96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:47.460686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061912/publication.txt
observed cbfd0f21d713aea2717113bf37fa737d...
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.