Pith Number

pith:F5UKFORV

pith:2015:F5UKFORVFCBGDEBGC5P3GDY2YL

not attested not anchored not stored refs pending

Degree choosable signed graphs

Michael Stiebitz, Thomas Schweser

arxiv:1507.04569 v1 · 2015-07-16 · 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{F5UKFORVFCBGDEBGC5P3GDY2YL}

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	2026-05-18T01:36:46.993543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f68a2ba352882619026175fb30f1ac2c86bd7fe67f828150b0b41617e1bd409

Aliases

arxiv: 1507.04569 · arxiv_version: 1507.04569v1 · doi: 10.48550/arxiv.1507.04569 · pith_short_12: F5UKFORVFCBG · pith_short_16: F5UKFORVFCBGDEBG · pith_short_8: F5UKFORV

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/F5UKFORVFCBGDEBGC5P3GDY2YL \
  | 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: 2f68a2ba352882619026175fb30f1ac2c86bd7fe67f828150b0b41617e1bd409

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb39b8d62da0dbbc5637f436c343d4e934a2fcc2627f80ca6133f8ef89d722dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-07-16T13:42:15Z",
    "title_canon_sha256": "d9ba708f81b967f653b70ff39ff70b83415d13a4e2f59b32f5d6c4efa30ba64b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04569",
    "kind": "arxiv",
    "version": 1
  }
}