Pith Number

pith:4N7WTKQZ

pith:2018:4N7WTKQZOQZZSPP4F3NYZXTMM7

not attested not anchored not stored refs pending

Homomorphism Complexes and Maximal Chains in Graded Posets

Benjamin Braun, Wesley K. Hough

arxiv:1812.07335 v2 · 2018-12-18 · 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{4N7WTKQZOQZZSPP4F3NYZXTMM7}

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	2026-05-17T23:57:30.506847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e37f69aa197433993dfc2edb8cde6c67f920d085975d5b7e597595c328147565

Aliases

arxiv: 1812.07335 · arxiv_version: 1812.07335v2 · doi: 10.48550/arxiv.1812.07335 · pith_short_12: 4N7WTKQZOQZZ · pith_short_16: 4N7WTKQZOQZZSPP4 · pith_short_8: 4N7WTKQZ

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/4N7WTKQZOQZZSPP4F3NYZXTMM7 \
  | 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: e37f69aa197433993dfc2edb8cde6c67f920d085975d5b7e597595c328147565

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0f3aa0644645d99626c4c6fca6be070a060f0de0120ee6343f139dd1f3c5f61",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-12-18T12:52:22Z",
    "title_canon_sha256": "b99fbec196e7afc795709951954211b62c37ef2cff97f0e50c7cd821cf66ae25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07335",
    "kind": "arxiv",
    "version": 2
  }
}