Pith Number

pith:YHQUPN4G

pith:2017:YHQUPN4GWLEQESJY6U3IMAGEMZ

not attested not anchored not stored refs pending

The Matroid Structure of Representative Triple Sets and Triple-Closure Computation

Carsten R. Seemann, Marc Hellmuth

arxiv:1707.01667 v2 · 2017-07-06 · 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{YHQUPN4GWLEQESJY6U3IMAGEMZ}

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	2026-07-05T03:23:02.274488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1e147b786b2c9024938f5368600c4665726cf5bec970bba6fe82bd68955de69

Aliases

arxiv: 1707.01667 · arxiv_version: 1707.01667v2 · doi: 10.48550/arxiv.1707.01667 · pith_short_12: YHQUPN4GWLEQ · pith_short_16: YHQUPN4GWLEQESJY · pith_short_8: YHQUPN4G

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/YHQUPN4GWLEQESJY6U3IMAGEMZ \
  | 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: c1e147b786b2c9024938f5368600c4665726cf5bec970bba6fe82bd68955de69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ca7679ca2105c457a37f53205324157e9433dfef38a22d19a8b3f73a6bcd3ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-07-06T07:55:37Z",
    "title_canon_sha256": "428d575f7f0cd7d2b4e9ac0488cce6590324b1e5960f2e98cfceb2e6128c0066"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01667",
    "kind": "arxiv",
    "version": 2
  }
}