Pith Number

pith:MELG3LBQ

pith:2018:MELG3LBQVWDSJONFWEZOW3IP2S

not attested not anchored not stored refs pending

Approximating the position of a hidden agent in a graph

Alexander Roberts, Alex Scott, Hannah Guggiari

arxiv:1805.04386 v1 · 2018-05-11 · 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{MELG3LBQVWDSJONFWEZOW3IP2S}

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	2026-05-18T00:16:12.651311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61166dac30ad8724b9a5b132eb6d0fd4b5b0fa5b40397dbdc97df98268cfd425

Aliases

arxiv: 1805.04386 · arxiv_version: 1805.04386v1 · doi: 10.48550/arxiv.1805.04386 · pith_short_12: MELG3LBQVWDS · pith_short_16: MELG3LBQVWDSJONF · pith_short_8: MELG3LBQ

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/MELG3LBQVWDSJONFWEZOW3IP2S \
  | 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: 61166dac30ad8724b9a5b132eb6d0fd4b5b0fa5b40397dbdc97df98268cfd425

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8541a303576d604f7ba825e157031863f21aa85430315a6706451658ef45d7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-05-11T13:21:39Z",
    "title_canon_sha256": "f2274f8dcabf7de2e28486169cc050c140b6140b702052850869fb9557e75bc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04386",
    "kind": "arxiv",
    "version": 1
  }
}