OpenTechnical

OT-2026-000006391

Publication integrity record

Vacuum cup gripper, two outlet manifold, ejector fed, vented before set down, 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-2026-000006391) never changes.

Identity and time

Publication numberOT-2026-000006391 · never reused
Internal UUID01a0a959-5a27-79fb-905b-114a897732e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:33:20.426603Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006391
StatusPUBLIC

Content hashes

Canonical textae389f5d193f2d0ea202fe4323d980fd4957585417463fc29415910ae0bcd203
Markdownd852ebcecd11342e484621ce42575dc120c6c97aff31e86db0966dcd5b8f84b6
PDF
Publication pagee575036b9fdedfda33bc557ba02f1f2d3c03365caf20362830a2b105aaebd8f8
Manifest88b85f256421cd14a2c59b240f382dbefe0c34d2995d40e2774fa7ecce67b254

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
SignatureKhrUY7PDyqWZjnRHBtqxseHC0MGDtPXpEVevx6vLd7Ug7FyR/YtlLb5OOAfXi/s82HFibZ14s38b3vEEtzj6Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:23.123826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006391
observed e575036b9fdedfda33bc557ba02f1f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:22.981575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006391/manifest.json
observed 88b85f256421cd14a2c59b240f382dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:22.967319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006391/publication.md
observed d852ebcecd11342e484621ce42575dc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:22.954198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006391/publication.txt
observed ae389f5d193f2d0ea202fe4323d980fd...
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.