Pith Number

pith:CDIIBPMR

pith:2017:CDIIBPMRVT7OWGVW7LKV6ZX53B

not attested not anchored not stored refs pending

On the Space of 2-Linkages

Guantao Chen, Hein van der Holst, Robin Thomas, Serguei Norine

arxiv:1712.03869 v3 · 2017-12-11 · 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{CDIIBPMRVT7OWGVW7LKV6ZX53B}

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	2026-05-17T23:48:17.551798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10d080bd91acfeeb1ab6fad55f66fdd87ce2df256c53608cb1669ec88c242cad

Aliases

arxiv: 1712.03869 · arxiv_version: 1712.03869v3 · doi: 10.48550/arxiv.1712.03869 · pith_short_12: CDIIBPMRVT7O · pith_short_16: CDIIBPMRVT7OWGVW · pith_short_8: CDIIBPMR

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/CDIIBPMRVT7OWGVW7LKV6ZX53B \
  | 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: 10d080bd91acfeeb1ab6fad55f66fdd87ce2df256c53608cb1669ec88c242cad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "399a3a9f2046c036543010cbd503d4fe979cc46cee4583523ef267259d3256a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-12-11T16:20:59Z",
    "title_canon_sha256": "16966c13e8bf8be966a971acb1857ee47c403271373c3244b0430abc21e7e6f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03869",
    "kind": "arxiv",
    "version": 3
  }
}