OpenTechnical

OT-2026-000070920

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000070920) never changes.

Identity and time

Publication numberOT-2026-000070920 · never reused
Internal UUID01a0ae91-8c2d-711e-9fca-e33345276d02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070920
StatusPUBLIC

Content hashes

Canonical text3948efeb35791f87ca2fe92b4eae153ce3dd4c57865401ec9d03749b4d371bb4
Markdown5326136f0d933083e24fc5e64fb36fc52fa4931e069f18e9e85939a04f5aa98d
PDF
Publication page9151f412fdbca845df54edd4cd3bf83b306ae6d3a9dd74b14b7d71c4c6d5087f
Manifestb8dab9926ab0dd06ad5716f6d81ee208e16b3f391ec200bc8201ee878a29dc31

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
SignaturejQUjx+Pk0TN3YoVUqqWHLYX6R8gl7aI2FB7jeuChGNASAtgElp+q4q8Ppw4rUCJGiR61/C7gdKhUZdSjsWzXCQ==
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

2026-09-17T10:25:45.255850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070920
observed 9151f412fdbca845df54edd4cd3bf83b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.239615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070920/manifest.json
observed b8dab9926ab0dd06ad5716f6d81ee208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.223215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070920/publication.md
observed 5326136f0d933083e24fc5e64fb36fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.207942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070920/publication.txt
observed 3948efeb35791f87ca2fe92b4eae153c...
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.