Pith Number

pith:QFA4MXQH

pith:2026:QFA4MXQHXY43KFFOU7RVBDQZFZ

not attested not anchored not stored refs pending

Navigating Posets with Few Maps

Alexander Wolff, Giacomo Ortali, J\k{e}drzej Hodor, Stefan Felsner

arxiv:2605.20877 v1 · 2026-05-20 · 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{QFA4MXQHXY43KFFOU7RVBDQZFZ}

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	2026-05-21T01:05:25.979096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8141c65e07be39b514aea7e3508e192e4d02d4b31398e8ac5b2e26e9c0bf0375

Aliases

arxiv: 2605.20877 · arxiv_version: 2605.20877v1 · doi: 10.48550/arxiv.2605.20877 · pith_short_12: QFA4MXQHXY43 · pith_short_16: QFA4MXQHXY43KFFO · pith_short_8: QFA4MXQH

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/QFA4MXQHXY43KFFOU7RVBDQZFZ \
  | 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: 8141c65e07be39b514aea7e3508e192e4d02d4b31398e8ac5b2e26e9c0bf0375

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "388e6c06d3ba089d82e7c513ab4d03da2bf5016a926c0696555a158f016075fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-05-20T08:14:53Z",
    "title_canon_sha256": "b4504d31ea50600580f0a46f7dfb408e384e570442f5d2f80ba62332508a0203"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20877",
    "kind": "arxiv",
    "version": 1
  }
}