Pith Number

pith:DIVFMRVP

pith:2011:DIVFMRVPACB63HHWSULU4A4SLF

not attested not anchored not stored refs pending

New light on Bergman complexes by decomposing matroid types

Martin Dlugosch

arxiv:1111.5496 v1 · 2011-11-23 · 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{DIVFMRVPACB63HHWSULU4A4SLF}

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	2026-05-18T04:07:43.614558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a2a5646af0083ed9cf695174e0392596111a09cd462ac374cbc3828f5db0c37

Aliases

arxiv: 1111.5496 · arxiv_version: 1111.5496v1 · doi: 10.48550/arxiv.1111.5496 · pith_short_12: DIVFMRVPACB6 · pith_short_16: DIVFMRVPACB63HHW · pith_short_8: DIVFMRVP

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/DIVFMRVPACB63HHWSULU4A4SLF \
  | 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: 1a2a5646af0083ed9cf695174e0392596111a09cd462ac374cbc3828f5db0c37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1276d1eba0dac7ee02bc2f23c2c2844261042309c338521da53d45429de77f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-11-23T13:59:57Z",
    "title_canon_sha256": "48efb78f119237c2c835b20658fe90c949de398ba4cb02d3bd56e780384e0643"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5496",
    "kind": "arxiv",
    "version": 1
  }
}