Pith Number

pith:WAFGMMDI

pith:2016:WAFGMMDIFTCMJXHOGSE22X64DG

not attested not anchored not stored refs pending

Homomorphism Complexes and k-Cores

Greg Malen

arxiv:1601.07854 v2 · 2016-01-28 · math.CO · math.AT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WAFGMMDIFTCMJXHOGSE22X64DG}

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	2026-05-18T01:20:51.664047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b00a6630682cc4c4dcee3489ad5fdc199a2110e617c16e1f3cc1894daeea30c5

Aliases

arxiv: 1601.07854 · arxiv_version: 1601.07854v2 · doi: 10.48550/arxiv.1601.07854 · pith_short_12: WAFGMMDIFTCM · pith_short_16: WAFGMMDIFTCMJXHO · pith_short_8: WAFGMMDI

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/WAFGMMDIFTCMJXHOGSE22X64DG \
  | 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: b00a6630682cc4c4dcee3489ad5fdc199a2110e617c16e1f3cc1894daeea30c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bd0e721a3aec307831293985e8ba5b62263b0a9493639f902c0d3a4a2714924",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-01-28T18:28:06Z",
    "title_canon_sha256": "73ee8f60e3801ad13c0dae63b4a5fd4447a1bfb1f7eaef009f075837da47e308"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07854",
    "kind": "arxiv",
    "version": 2
  }
}