Pith Number

pith:NERGCZDX

pith:2017:NERGCZDXTLRR4SGBZ774KYVOJQ

not attested not anchored not stored refs pending

Lack of regularity of the transport density in the monge problem

Samer Dweik (LM-Orsay)

arxiv:1704.07180 v1 · 2017-04-24 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NERGCZDXTLRR4SGBZ774KYVOJQ}

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	2026-05-18T00:45:53.319224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69226164779ae31e48c1cfffc562ae4c35f54bf5d160b682b1d1e0c79c5b8dc8

Aliases

arxiv: 1704.07180 · arxiv_version: 1704.07180v1 · doi: 10.48550/arxiv.1704.07180 · pith_short_12: NERGCZDXTLRR · pith_short_16: NERGCZDXTLRR4SGB · pith_short_8: NERGCZDX

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/NERGCZDXTLRR4SGBZ774KYVOJQ \
  | 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: 69226164779ae31e48c1cfffc562ae4c35f54bf5d160b682b1d1e0c79c5b8dc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5065469ff999043426ba1236d82373ed256b7f665f875a7349fba69c59de4d31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-04-24T12:40:38Z",
    "title_canon_sha256": "9cd680247838915c1aa222eeac8f6dd5a8c8f7908d9619adc7ce445b45e578dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07180",
    "kind": "arxiv",
    "version": 1
  }
}