OpenTechnical

OT-2026-000047549

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000047549) never changes.

Identity and time

Publication numberOT-2026-000047549 · never reused
Internal UUID01a0ae7f-3e59-7778-9bdd-11cd8c1fd5f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047549
StatusPUBLIC

Content hashes

Canonical text499cfbfa13016c4854e1c59d14feb6fe3e6b1c840caac3771a52bd71dde8588c
Markdown95c757738605b6a98be4d305c72c80efbebe274de870321cbacaf95017968e37
PDF
Publication page8a2b55cd70e6d929d6711aa487e588141aa0983e7b378f290ceb27d41883ac16
Manifestc1c77ce2f4dbf258d94d82efc09513073e9d8fc66ecdfbea2d49f956de3342f8

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
Signatureruoh1AspktdEKoUSzwW/aNfzkKY1EZNsizb8FEH2REIC/UKaJrmRg2BNrSIjD56X0dB56QkaeydZJohUg3U+Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:40.101218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047549
observed 8a2b55cd70e6d929d6711aa487e58814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.083501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047549/manifest.json
observed c1c77ce2f4dbf258d94d82efc0951307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.067831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047549/publication.md
observed 95c757738605b6a98be4d305c72c80ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.048693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047549/publication.txt
observed 499cfbfa13016c4854e1c59d14feb6fe...
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.