OpenTechnical

OT-2026-000044819

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000044819) never changes.

Identity and time

Publication numberOT-2026-000044819 · never reused
Internal UUID01a0ae7c-911b-7e35-98f6-8a8cdbe7a7ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044819
StatusPUBLIC

Content hashes

Canonical text60166a981547831f939ca19378692b23ef31f1033f298b8912448259cb4c00d9
Markdown7c66b3b1f37692cfd127445377ce3be63f575b846f6637ca3cd549a75559cd7d
PDF
Publication page42c33a94d127fb1ece282d2ac1a7219bf5bd94a6a870acf06878457b45645782
Manifest84f2661e9de1d004bc2903388803f211bf854009f1821245349b674b592134ae

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
Signature5gsGtnVntoN8zhGfA0yKMDzA6SFSCaHbO2ePDfFuySKx+6/+SIQg4pMP1tdJYBsA1TfWEOMkPCLj0zIL+NTwAQ==
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

2026-09-17T11:11:27.285153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044819
observed 42c33a94d127fb1ece282d2ac1a7219b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:27.268050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044819/manifest.json
observed 84f2661e9de1d004bc2903388803f211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:27.251386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044819/publication.md
observed 7c66b3b1f37692cfd127445377ce3be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:27.222078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044819/publication.txt
observed 60166a981547831f939ca19378692b23...
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.