OpenTechnical

OT-2026-000047817

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000047817) never changes.

Identity and time

Publication numberOT-2026-000047817 · never reused
Internal UUID01a0ae7f-c420-7ce7-bc1b-ceecabe0f349 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047817
StatusPUBLIC

Content hashes

Canonical text39dbe629700a0deb9bd665ba6a66b5a6c62583d0a644e04dc4a9931e92e893e7
Markdown639951c4bd4762d0348e03fcc158a7343914b5db34a47d14bd71cd920fcceddf
PDF
Publication paged6abfa7c500d817e20c8879ead81455d3e1365e450c8cc6ef69c801b717346f2
Manifestfb3e5629c7c67a77a23b81631c258c15e8f312a592300ad3464a3280aec69227

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
Signaturesd9cpfI5XSFymUZthpNN6pwZ7I1h3tOJQrAM/xukReTqzQiG4iKp19mvnLYr2C//sekMF+/WSKUPxEfV5antDg==
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

2026-09-17T11:05:43.450677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047817
observed d6abfa7c500d817e20c8879ead81455d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.430413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047817/manifest.json
observed fb3e5629c7c67a77a23b81631c258c15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.410956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047817/publication.md
observed 639951c4bd4762d0348e03fcc158a734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.393428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047817/publication.txt
observed 39dbe629700a0deb9bd665ba6a66b5a6...
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.