Pith Number

pith:EIQU5ORY

pith:2006:EIQU5ORYY56OT5NABPMPG6JOQE

not attested not anchored not stored refs pending

On a system of partial differential equations of Monge-Kantorovich type

A. Malusa, G. Crasta

arxiv:math/0612227 v1 · 2006-12-09 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EIQU5ORYY56OT5NABPMPG6JOQE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:39:37.472177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22214eba38c77ce9f5a00bd8f3792e812234d1201793ea69d30d1529606f7bc9

Aliases

arxiv: math/0612227 · arxiv_version: math/0612227v1 · doi: 10.48550/arxiv.math/0612227 · pith_short_12: EIQU5ORYY56O · pith_short_16: EIQU5ORYY56OT5NA · pith_short_8: EIQU5ORY

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/EIQU5ORYY56OT5NABPMPG6JOQE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 22214eba38c77ce9f5a00bd8f3792e812234d1201793ea69d30d1529606f7bc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa2df0fffeec72cc6a19207a40375f8cd731f5cbd4c6ef86d68e9fa04dd6b187",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "2006-12-09T10:50:36Z",
    "title_canon_sha256": "f64c11f8409294b93f77318c9346f46d6990f25f88f8db02282e95609b30cc45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0612227",
    "kind": "arxiv",
    "version": 1
  }
}