OpenTechnical

OT-2026-000006804

Publication integrity record

Vacuum cup gripper, common isolation valve, three outlet manifold, ejector fed, silicone cups, oval form

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-2026-000006804) never changes.

Identity and time

Publication numberOT-2026-000006804 · never reused
Internal UUID01a0a967-f466-77a5-a852-0e2afc6b01e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:49:17.416781Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006804
StatusPUBLIC

Content hashes

Canonical text1ae87f32654f49948e80c98b45b9fe19a494369ceb0f27e0f028037a9f82e6ff
Markdown983039da2ec4d221459077a50cd2d9a23778395143b3512523ae220901b7ea27
PDF
Publication pagec901d3adc5f2faee50c8e8b0f7bd12455512e83ad32270c6bdf87e54ad1b7569
Manifest34fada6d6a560072f19b1d544de2b44a04c489367775b5878033053d50119329

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
Signature0XGSxN1b74aTx/Sc/OxreC6i/6XFUCNx+LZjo3yT2vA/cHv0OqrRunuhfSm+DRBbjWgJ46leB5utLgh0rN0tBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:04.471102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006804
observed c901d3adc5f2faee50c8e8b0f7bd1245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:04.457812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006804/manifest.json
observed 34fada6d6a560072f19b1d544de2b44a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:04.443882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006804/publication.md
observed 983039da2ec4d221459077a50cd2d9a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:04.431636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006804/publication.txt
observed 1ae87f32654f49948e80c98b45b9fe19...
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.