Pith Number

pith:NRAK2SJ6

pith:2011:NRAK2SJ6ALTGKS24DMJJ5U42MV

not attested not anchored not stored refs pending

Mass transportation with LQ cost functions

Ahed Hindawi (INRIA Sophia Antipolis, JAD), Jean-Baptiste Pomet (INRIA Sophia Antipolis), Ludovic Rifford (JAD)

arxiv:1105.4037 v1 · 2011-05-20 · math.OC · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRAK2SJ6ALTGKS24DMJJ5U42MV}

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	2026-05-18T04:21:50.096812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c40ad493e02e6654b5c1b129ed39a655614113bdd16cc078d9af6974b9cf40b

Aliases

arxiv: 1105.4037 · arxiv_version: 1105.4037v1 · doi: 10.48550/arxiv.1105.4037 · pith_short_12: NRAK2SJ6ALTG · pith_short_16: NRAK2SJ6ALTGKS24 · pith_short_8: NRAK2SJ6

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/NRAK2SJ6ALTGKS24DMJJ5U42MV \
  | 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: 6c40ad493e02e6654b5c1b129ed39a655614113bdd16cc078d9af6974b9cf40b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7632dd6cbe0f0df92632b54cfeccc06e7d368be0e3b2c8f35e4726c415b20490",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-05-20T09:02:56Z",
    "title_canon_sha256": "580d70fda2bb29545e9ed3cf4f913152bf375cbb278f9fbcee74376df362587b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4037",
    "kind": "arxiv",
    "version": 1
  }
}