OpenTechnical

OT-2026-000018832

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000018832) never changes.

Identity and time

Publication numberOT-2026-000018832 · never reused
Internal UUID01a0ae6e-d521-75ca-8149-1b313fdf6d3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018832
StatusPUBLIC

Content hashes

Canonical text8cefbc6c7282519edd46a2e6a5051809c496b0c4e1f7ac58da1f87abade165e0
Markdowna1317399d21040d8ba30fba2809bb9ede58b6f125c8c7ef7f12001d19d309740
PDF
Publication pageac0576fa2b851e2fa74b1a0f878e57e26879d130a4853897c45a1e49d1e462f0
Manifest4ba40fc3c576ca5958642cc9a6eadda9814762f63841a39129cc55af3c24b71d

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
SignatureqolP4aaahfgibdPiIPQhsMEhr6i0y5utfMinvORo7MJvK/CiuXucp7Jvmkld7Auve488IowFe6hZacUC7TzYCA==
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

2026-09-17T11:59:28.071101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018832
observed ac0576fa2b851e2fa74b1a0f878e57e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.053360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018832/manifest.json
observed 4ba40fc3c576ca5958642cc9a6eadda9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.034290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018832/publication.md
observed a1317399d21040d8ba30fba2809bb9ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.015881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018832/publication.txt
observed 8cefbc6c7282519edd46a2e6a5051809...
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.