Pith Number

pith:V6CGZIHF

pith:2017:V6CGZIHF6LDUNMFBGCLMQ53SC4

not attested not anchored not stored refs pending

Relaxations of GF$(4)$-representable matroids

Ben Clark, James Oxley, Stefan H.M. van Zwam

arxiv:1704.07306 v3 · 2017-04-24 · 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{V6CGZIHF6LDUNMFBGCLMQ53SC4}

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	2026-05-18T00:14:28.985394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af846ca0e5f2c746b0a13096c877721729281fe45af33926d66408589969a3fc

Aliases

arxiv: 1704.07306 · arxiv_version: 1704.07306v3 · doi: 10.48550/arxiv.1704.07306 · pith_short_12: V6CGZIHF6LDU · pith_short_16: V6CGZIHF6LDUNMFB · pith_short_8: V6CGZIHF

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/V6CGZIHF6LDUNMFBGCLMQ53SC4 \
  | 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: af846ca0e5f2c746b0a13096c877721729281fe45af33926d66408589969a3fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57444970b530256066d2496bb3c5cc35a36aa9c8fce2c4b9fa8bda57b46104df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-04-24T16:11:31Z",
    "title_canon_sha256": "070df1b847f854382da38fef265051735ee5548c2aac951ad27f9b1daa1650e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07306",
    "kind": "arxiv",
    "version": 3
  }
}