OpenTechnical

OT-2026-000006934

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, three stage ejector, contact triggered, plastic 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-2026-000006934) never changes.

Identity and time

Publication numberOT-2026-000006934 · never reused
Internal UUID01a0a96c-d577-75a4-a37f-b6b623903baf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:54:37.177343Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006934
StatusPUBLIC

Content hashes

Canonical text9547747c2a14d28a9bcaa3cf44942ad7e388f31a98b88034c00cd2466b7421b8
Markdown08366136fef5222f745b8242188303ec8c75dfd12b5dd09f779f81d73cca464e
PDF
Publication page8ba97d9f0db68564f19c5a226ccaf5228dc2c48b106ad9f2a0511d9f81b4e907
Manifest9905e69403d9f955cc1f828cef6a41f613a4527994ebcd4eaa790edfb1a2b042

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
SignaturetnPBiddOSEja+dyeSwwZf2YcYTmpj4Y6/gtapQxvK9mxeoGiORHn8H8Et4LHVeEgy4dS/JAdEgJTkk7gIgY3Cg==
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

2026-09-16T09:00:20.430266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006934
observed 8ba97d9f0db68564f19c5a226ccaf522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:20.417369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006934/manifest.json
observed 9905e69403d9f955cc1f828cef6a41f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:20.404094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006934/publication.md
observed 08366136fef5222f745b8242188303ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:20.389995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006934/publication.txt
observed 9547747c2a14d28a9bcaa3cf44942ad7...
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.