Pith Number

pith:TPJO6UC6

pith:2017:TPJO6UC6RN2U7GZJ7JPOFSRNQ5

not attested not anchored not stored refs pending

New algorithms for matching problems

Jacky Lo, Mark C. Wilson

arxiv:1703.04225 v1 · 2017-03-13 · 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{TPJO6UC6RN2U7GZJ7JPOFSRNQ5}

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	2026-05-18T00:48:49.379936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bd2ef505e8b754f9b29fa5ee2ca2d87401183409cf71b258e6e08d9a42995cf

Aliases

arxiv: 1703.04225 · arxiv_version: 1703.04225v1 · doi: 10.48550/arxiv.1703.04225 · pith_short_12: TPJO6UC6RN2U · pith_short_16: TPJO6UC6RN2U7GZJ · pith_short_8: TPJO6UC6

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/TPJO6UC6RN2U7GZJ7JPOFSRNQ5 \
  | 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: 9bd2ef505e8b754f9b29fa5ee2ca2d87401183409cf71b258e6e08d9a42995cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f55810c79392820586a63badc322ffe5bb03dcd330e5fae66b2f753c31f1bb2a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2017-03-13T02:05:58Z",
    "title_canon_sha256": "5566e4d3544e1907a774d1d7e20bc401dc1673e4be667d1e6b0858beecfabbfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04225",
    "kind": "arxiv",
    "version": 1
  }
}