Pith Number

pith:GHJMIA6A

pith:2011:GHJMIA6AS4RGIVDUHDAK2MNBYS

not attested not anchored not stored refs pending

Finding All Allowed Edges in a Bipartite Graph

Tamir Tassa

arxiv:1107.4711 v1 · 2011-07-23 · 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{GHJMIA6AS4RGIVDUHDAK2MNBYS}

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	2026-05-18T04:17:01.989498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31d2c403c0972264547438c0ad31a1c4808ffa3f52385ba433305e187a7602b4

Aliases

arxiv: 1107.4711 · arxiv_version: 1107.4711v1 · doi: 10.48550/arxiv.1107.4711 · pith_short_12: GHJMIA6AS4RG · pith_short_16: GHJMIA6AS4RGIVDU · pith_short_8: GHJMIA6A

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/GHJMIA6AS4RGIVDUHDAK2MNBYS \
  | 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: 31d2c403c0972264547438c0ad31a1c4808ffa3f52385ba433305e187a7602b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc17d0ce46672362f5dbbd42a081823c2642745f4cc846f09868bf22c9515ba0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2011-07-23T21:32:55Z",
    "title_canon_sha256": "d0230c00229ad760eabbf3ad3afa34c78872258465284e9176db62ec0f1ba7f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4711",
    "kind": "arxiv",
    "version": 1
  }
}