Pith Number

pith:WWVHA7HT

pith:2011:WWVHA7HTCC4NN4MDYF6UYCQYBI

not attested not anchored not stored refs pending

On Making Directed Graphs Eulerian

Manuel Sorge

arxiv:1101.4283 v2 · 2011-01-22 · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WWVHA7HTCC4NN4MDYF6UYCQYBI}

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	2026-05-18T02:22:50.508627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5aa707cf310b8d6f183c17d4c0a180a0812a9c3f665636a16fc99cabde8dda9

Aliases

arxiv: 1101.4283 · arxiv_version: 1101.4283v2 · doi: 10.48550/arxiv.1101.4283 · pith_short_12: WWVHA7HTCC4N · pith_short_16: WWVHA7HTCC4NN4MD · pith_short_8: WWVHA7HT

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/WWVHA7HTCC4NN4MDYF6UYCQYBI \
  | 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: b5aa707cf310b8d6f183c17d4c0a180a0812a9c3f665636a16fc99cabde8dda9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91f2888c024b983d623e4c8190886f98d744a9750c54217de7e3d6a7948180d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2011-01-22T12:44:33Z",
    "title_canon_sha256": "a40833ae3c36fe4c176c0c610345d83937ad06d9fb9975c1608464a3b17de52f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4283",
    "kind": "arxiv",
    "version": 2
  }
}