OpenTechnical

OT-2026-000081472

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000081472) never changes.

Identity and time

Publication numberOT-2026-000081472 · never reused
Internal UUID01a0ae96-f375-77a6-894a-04400cf6e9c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081472
StatusPUBLIC

Content hashes

Canonical textec200a656ff8d039ec3a9b52b47b47bcbe396259bc884f334538c3830445e030
Markdown146e39b3c6cadd71061e070f3fe5d9e327be24c9ba7981691372f3df1c233f6d
PDF
Publication pageaea2533e9883547744a0ef84e66b40d27565258abbe5193e66c68edf4867bf8d
Manifest5618e462fdcb86decb4684f29c45e1c379dc3103afb47574d8da3a04fbd26871

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
SignaturerhrLZxK6SOigR2sFT2cayUwIInAIEF4bqoQ6YcePycHVax+DtzinXnXARTTsjAKPO0u9ma3/OGtYbzL5aswoAQ==
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

2026-09-17T10:01:38.261316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081472
observed aea2533e9883547744a0ef84e66b40d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.244161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081472/manifest.json
observed 5618e462fdcb86decb4684f29c45e1c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.225094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081472/publication.md
observed 146e39b3c6cadd71061e070f3fe5d9e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.208293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081472/publication.txt
observed ec200a656ff8d039ec3a9b52b47b47bc...
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.