Pith Number

pith:J7EGTYTG

pith:2017:J7EGTYTGFIYKOKTZSBOIVURSC2

not attested not anchored not stored refs pending

Locating a robber with multiple probes

John Haslegrave, Richard A. B. Johnson, Sebastian Koch

arxiv:1703.06482 v2 · 2017-03-19 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J7EGTYTGFIYKOKTZSBOIVURSC2}

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	2026-05-18T00:29:51.785922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fc869e2662a30a72a79905c8ad23216acab194897dff2dafadfc45b9fcc2524

Aliases

arxiv: 1703.06482 · arxiv_version: 1703.06482v2 · doi: 10.48550/arxiv.1703.06482 · pith_short_12: J7EGTYTGFIYK · pith_short_16: J7EGTYTGFIYKOKTZ · pith_short_8: J7EGTYTG

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/J7EGTYTGFIYKOKTZSBOIVURSC2 \
  | 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: 4fc869e2662a30a72a79905c8ad23216acab194897dff2dafadfc45b9fcc2524

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "196835deb45c2e04d84358223fda163d3b9e2c0e9c543e6506dbfeec13d3fabe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-03-19T18:06:06Z",
    "title_canon_sha256": "e95220d8993f4712cd139f510afc8c0848cfe43d193cad0280bc82e9c2b31ad2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06482",
    "kind": "arxiv",
    "version": 2
  }
}