Pith Number

pith:JHVQB6I4

pith:2015:JHVQB6I4DP2GYRJYWR2C46LW6K

not attested not anchored not stored refs pending

On linear Harbourne constants

Justyna Szpond

arxiv:1502.04334 v1 · 2015-02-15 · math.AG · 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{JHVQB6I4DP2GYRJYWR2C46LW6K}

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	2026-05-18T00:20:45.021976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49eb00f91c1bf46c4538b4742e7976f2b2cce0f767c36f5be81461fc0f69de77

Aliases

arxiv: 1502.04334 · arxiv_version: 1502.04334v1 · doi: 10.48550/arxiv.1502.04334 · pith_short_12: JHVQB6I4DP2G · pith_short_16: JHVQB6I4DP2GYRJY · pith_short_8: JHVQB6I4

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/JHVQB6I4DP2GYRJYWR2C46LW6K \
  | 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: 49eb00f91c1bf46c4538b4742e7976f2b2cce0f767c36f5be81461fc0f69de77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12643cc9ef22d33b2840d774f8347ea80b6d65c2660516227a732713bf3b453a",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-02-15T16:50:58Z",
    "title_canon_sha256": "2db41d47130a3bdcc7138942c49f6a728880ece81b666cbad3cd3e4112e491c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04334",
    "kind": "arxiv",
    "version": 1
  }
}