OpenTechnical

OT-2026-000004710

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, two stage ejector

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-2026-000004710) never changes.

Identity and time

Publication numberOT-2026-000004710 · never reused
Internal UUID01a0a920-e116-7ff7-a410-dc0c18c8e927 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:31:39.416678Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004710
StatusPUBLIC

Content hashes

Canonical textc57eabd854e68314727ddc4156cb3c3827c24cf0e0c8322da6f8948964cce4da
Markdown2d0893b7866cf9e7c6c22c38a802fe02257e5358046c29788c45a13dd11817c0
PDF
Publication pageee54a4b41b5645322cae1c40919b92b355a1dc339695749498199ada79866576
Manifest257e9a74e8743729a91b472c0972c9908245fd05592f28ccd7a760107b214bb4

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
Signature89zUWUDa1DDbQhJOvParYd1DvgpopuF1rgqKkcQxeYbgpAqNh7t52a0fDFCLPhQkQcToGjbWZOuVGEF+BcJMAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:27.169380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004710
observed ee54a4b41b5645322cae1c40919b92b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:27.157032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004710/manifest.json
observed 257e9a74e8743729a91b472c0972c990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:27.143800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004710/publication.md
observed 2d0893b7866cf9e7c6c22c38a802fe02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:27.129659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004710/publication.txt
observed c57eabd854e68314727ddc4156cb3c38...
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.