Pith Number

pith:NYJEIEXD

pith:2016:NYJEIEXDMZNWLHI3SOHDRFJWAQ

not attested not anchored not stored refs pending

Connectivity Functions and Polymatroids

Geoff Whittle, Songbao Mo, Susan Jowett

arxiv:1605.01455 v1 · 2016-05-04 · 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{NYJEIEXDMZNWLHI3SOHDRFJWAQ}

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	2026-05-18T01:15:33.659659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e124412e3665b659d1b938e3895360433436bd4baa35fd6aab53d54194d52ce

Aliases

arxiv: 1605.01455 · arxiv_version: 1605.01455v1 · doi: 10.48550/arxiv.1605.01455 · pith_short_12: NYJEIEXDMZNW · pith_short_16: NYJEIEXDMZNWLHI3 · pith_short_8: NYJEIEXD

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/NYJEIEXDMZNWLHI3SOHDRFJWAQ \
  | 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: 6e124412e3665b659d1b938e3895360433436bd4baa35fd6aab53d54194d52ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "741440d9ae803a6c61a845c64af6d45314571fd4334f8d0a0223d016b035ac28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-05-04T23:11:12Z",
    "title_canon_sha256": "274c74f642150c678b3d9686f0443f4a5a1ee4905896d1442b2e6e436dc308e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01455",
    "kind": "arxiv",
    "version": 1
  }
}