Pith Number

pith:HJM7HSZZ

pith:2014:HJM7HSZZKCLBW3SEUTN37VBQQA

not attested not anchored not stored refs pending

A Characterization of Substar Graphs

Felix Joos

arxiv:1405.0588 v1 · 2014-05-03 · 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{HJM7HSZZKCLBW3SEUTN37VBQQA}

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	2026-05-18T02:52:41.152596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a59f3cb3950961b6e44a4dbbfd4308006ee8e7a6956c7077ebe029037fa853c

Aliases

arxiv: 1405.0588 · arxiv_version: 1405.0588v1 · doi: 10.48550/arxiv.1405.0588 · pith_short_12: HJM7HSZZKCLB · pith_short_16: HJM7HSZZKCLBW3SE · pith_short_8: HJM7HSZZ

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/HJM7HSZZKCLBW3SEUTN37VBQQA \
  | 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: 3a59f3cb3950961b6e44a4dbbfd4308006ee8e7a6956c7077ebe029037fa853c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd5a1142720a80d49a0312a4bea1cdfc70aa136a32a3a577ae89ac0a4c79994a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-05-03T13:55:53Z",
    "title_canon_sha256": "a1016b97ec55e701787d7dc3fc4cd9faefc9f6d6a962df3cf4308c05e45345cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0588",
    "kind": "arxiv",
    "version": 1
  }
}