Pith Number

pith:UZ7RFEVM

pith:2017:UZ7RFEVM7BPKPZUBFJ7I2FOYBC

not attested not anchored not stored refs pending

General auction method for real-valued optimal transport

J.D. Walsh III, Luca Dieci

arxiv:1705.06379 v2 · 2017-05-18 · math.OC · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UZ7RFEVM7BPKPZUBFJ7I2FOYBC}

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	2026-05-17T23:47:12.864269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a67f1292acf85ea7e6812a7e8d15d808991ef61375259de19f6e3aeac44bf722

Aliases

arxiv: 1705.06379 · arxiv_version: 1705.06379v2 · doi: 10.48550/arxiv.1705.06379 · pith_short_12: UZ7RFEVM7BPK · pith_short_16: UZ7RFEVM7BPKPZUB · pith_short_8: UZ7RFEVM

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/UZ7RFEVM7BPKPZUBFJ7I2FOYBC \
  | 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: a67f1292acf85ea7e6812a7e8d15d808991ef61375259de19f6e3aeac44bf722

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "354bceee58178aa26359d1fac828c885bb0ccaf4d0b8865419cca3f5a0f43ec2",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-05-18T00:41:13Z",
    "title_canon_sha256": "d3db7c6ee46ad97c27d66a62d4b75069d6f9b210cadd49361dd1f6f5f12ea0e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06379",
    "kind": "arxiv",
    "version": 2
  }
}