OpenTechnical

OT-2026-000007349

Publication integrity record

Vacuum cup gripper, two zone face, pump fed, sustained blow off before 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-2026-000007349) never changes.

Identity and time

Publication numberOT-2026-000007349 · never reused
Internal UUID01a0a97b-a843-7a3a-8123-85ee54f9b94e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:10:48.646537Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007349
StatusPUBLIC

Content hashes

Canonical textd0fe491520dc145f324cb53057d2527ab7a16bf1e123c2c591b6ec0b3fff1989
Markdownb0387944f1345923ec2f1ed929c103a94758388cb6d6e981a800952f715312a0
PDF
Publication page8fea9b3d5f3e72cb9dc5f637c1fb725341a86a974c1a5d317511cdb6e4c87265
Manifest924ab2cef7ec87dee3dc4ce378a56d863043de94db660d0927bee65f92b8af39

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
SignatureN+OkTfeRynFQ/6Wv51Dz02zrKQbDLsbhwIJBeNrVv0koZ6poIq5D+VYHulUMgEXnQ6Ybiv8zTLwKJ/V8HkSvBQ==
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

2026-09-16T09:20:10.322681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007349
observed 8fea9b3d5f3e72cb9dc5f637c1fb7253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.308433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007349/manifest.json
observed 924ab2cef7ec87dee3dc4ce378a56d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.295752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007349/publication.md
observed b0387944f1345923ec2f1ed929c103a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.283832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007349/publication.txt
observed d0fe491520dc145f324cb53057d2527a...
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.