Pith Number

pith:XZQ3FDV4

pith:2015:XZQ3FDV4VCOBHWFB453EDLCVFY

not attested not anchored not stored refs pending

Counting points and acquiring flesh

Koen Thas

arxiv:1508.03997 v1 · 2015-08-17 · math.AG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XZQ3FDV4VCOBHWFB453EDLCVFY}

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	2026-05-18T01:35:13.114072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be61b28ebca89c13d8a1e77641ac552e236fe3b1eaa5369705dbff474418aec7

Aliases

arxiv: 1508.03997 · arxiv_version: 1508.03997v1 · doi: 10.48550/arxiv.1508.03997 · pith_short_12: XZQ3FDV4VCOB · pith_short_16: XZQ3FDV4VCOBHWFB · pith_short_8: XZQ3FDV4

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/XZQ3FDV4VCOBHWFB453EDLCVFY \
  | 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: be61b28ebca89c13d8a1e77641ac552e236fe3b1eaa5369705dbff474418aec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e39cfa73f2acbd5433a505af048396717c3d59c9ce2659de1c496edb8b2e2c40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-08-17T12:31:36Z",
    "title_canon_sha256": "0a1856ca1a2967defffdea4ced0efef196921721458501c9f1c12a6d1493df8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03997",
    "kind": "arxiv",
    "version": 1
  }
}