Pith Number

pith:LTYZQH7D

pith:2015:LTYZQH7DOYN4I2IEP6O3FAHEFQ

not attested not anchored not stored refs pending

A Note on Altermatic Number

Hossein Hajiabolhassan, Meysam Alishahi

arxiv:1510.06932 v1 · 2015-10-23 · 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{LTYZQH7DOYN4I2IEP6O3FAHEFQ}

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	2026-05-18T01:29:22.682342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cf1981fe3761bc469047f9db280e42c28ad8ec4eb757218017e91f082eeb842

Aliases

arxiv: 1510.06932 · arxiv_version: 1510.06932v1 · doi: 10.48550/arxiv.1510.06932 · pith_short_12: LTYZQH7DOYN4 · pith_short_16: LTYZQH7DOYN4I2IE · pith_short_8: LTYZQH7D

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/LTYZQH7DOYN4I2IEP6O3FAHEFQ \
  | 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: 5cf1981fe3761bc469047f9db280e42c28ad8ec4eb757218017e91f082eeb842

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ee5f9b16855d48cff3bf39347e32ef7c2eb55a90cea755315fa11fa5b637ba3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-10-23T13:46:53Z",
    "title_canon_sha256": "c53fccf5d096b5aa81451ffc354f09b70ee29f1836e32b6a084c3a9e1c23b97d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06932",
    "kind": "arxiv",
    "version": 1
  }
}