Pith Number

pith:PM7VZD5P

pith:2015:PM7VZD5PCGBRY53FY5IKDBKPDC

not attested not anchored not stored refs pending

On the lattice of flats of a boolean representable simplicial complex

John Rhodes, Pedro V. Silva, Stuart Margolis

arxiv:1510.05485 v1 · 2015-10-19 · 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{PM7VZD5PCGBRY53FY5IKDBKPDC}

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	2026-05-18T01:29:52.227962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b3f5c8faf11831c7765c750a1854f18b1ae8579641e9761a55903b9ffcf07b0

Aliases

arxiv: 1510.05485 · arxiv_version: 1510.05485v1 · doi: 10.48550/arxiv.1510.05485 · pith_short_12: PM7VZD5PCGBR · pith_short_16: PM7VZD5PCGBRY53F · pith_short_8: PM7VZD5P

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/PM7VZD5PCGBRY53FY5IKDBKPDC \
  | 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: 7b3f5c8faf11831c7765c750a1854f18b1ae8579641e9761a55903b9ffcf07b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f63a0be01dbb51ed74a37216922d953019d795420a3301812e913c676fff04c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-10-19T14:12:38Z",
    "title_canon_sha256": "ab0893c2faba1b67b0af37ebcb2107e7fc8bf4b5812517f654bb3b749c569aca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05485",
    "kind": "arxiv",
    "version": 1
  }
}