Pith Number

pith:WTAW42HH

pith:2016:WTAW42HHIFHAWOVBGYLDTUHINR

not attested not anchored not stored refs pending

Quasi-matroidal classes of ordered simplicial complexes

Jose Alejandro Samper

arxiv:1608.04025 v1 · 2016-08-13 · 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{WTAW42HHIFHAWOVBGYLDTUHINR}

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	2026-05-18T01:09:04.429604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4c16e68e7414e0b3aa1361639d0e86c556a6e65fda37cd4479c95a96daf9d58

Aliases

arxiv: 1608.04025 · arxiv_version: 1608.04025v1 · doi: 10.48550/arxiv.1608.04025 · pith_short_12: WTAW42HHIFHA · pith_short_16: WTAW42HHIFHAWOVB · pith_short_8: WTAW42HH

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/WTAW42HHIFHAWOVBGYLDTUHINR \
  | 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: b4c16e68e7414e0b3aa1361639d0e86c556a6e65fda37cd4479c95a96daf9d58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dcc13b120b0979594d9797ab5cd01a354a356e862ab6de4a7edb04f20115328",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-08-13T21:17:12Z",
    "title_canon_sha256": "9cede482795c41c6789942d2b27b754c82ba3be7d0f803bd92737ca12a0f656f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04025",
    "kind": "arxiv",
    "version": 1
  }
}