OpenTechnical

OT-2026-000079666

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000079666) never changes.

Identity and time

Publication numberOT-2026-000079666 · never reused
Internal UUID01a0ae96-4375-7d58-bcec-761453b2eae8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079666
StatusPUBLIC

Content hashes

Canonical textc00223f0c804f1184fa0b62fae588f8c544eb8215b0fd85c159cea7394fee068
Markdownb50acc5a88cbaf3f273c1b0e51eb0978992c6191a50c7656a3aa4241f61401c3
PDF
Publication page7c736c131428bc095e26b967ed20c5db8cafa32b9380c95c23ea38c940d96755
Manifest667c20275aa23ad6ef5594643f21b4885f9c5aeadc3647aeeed40fff721db81d

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
SignatureiDQ7wlCPkHg2kkpaumsq8J+DhdiYMIBX3nrw9RDWN5gHxZwTXw2+DTO2lZPcVcvOr0oin5+ab5VYUuBZerI4AA==
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

2026-09-17T10:03:26.402022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079666
observed 7c736c131428bc095e26b967ed20c5db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:26.385282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079666/manifest.json
observed 667c20275aa23ad6ef5594643f21b488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:26.368297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079666/publication.md
observed b50acc5a88cbaf3f273c1b0e51eb0978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:26.351865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079666/publication.txt
observed c00223f0c804f1184fa0b62fae588f8c...
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.