OpenTechnical

OT-2026-000084201

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000084201) never changes.

Identity and time

Publication numberOT-2026-000084201 · never reused
Internal UUID01a0ae98-5b60-75a6-8c80-95a46264a8b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084201
StatusPUBLIC

Content hashes

Canonical text939087ef8a72ed4242a49eab938fa85ad4350371122b48406d071a99e741bdeb
Markdown7aba791035855672518ebc684111a10ba28989821afbf426a534fa46fbe3576f
PDF
Publication pageba9de591feeab539f0c885c82ef491aa00275676efc78cf94e608b5873f48d6d
Manifest4190a6be8d02cd4c8b4ae51177bb04dfdc339434ca169aae26b718ad1860ed3f

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
SignatureUqSdWCWXse05T0ppcKIgM4M8Ldr4t7BFCjmdirZBvUQXmT+Eb1SY5/bmTGw1cNRlpSUfhEn2VoJ32J21gkdTAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:58.972513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084201
observed ba9de591feeab539f0c885c82ef491aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.955417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084201/manifest.json
observed 4190a6be8d02cd4c8b4ae51177bb04df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.935297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084201/publication.md
observed 7aba791035855672518ebc684111a10b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.917023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084201/publication.txt
observed 939087ef8a72ed4242a49eab938fa85a...
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.