Pith Number

pith:W7WRLNDV

pith:2013:W7WRLNDVZ5J7LEYLK6HIPK6NEB

not attested not anchored not stored refs pending

Is mathematical history written by the victors?

David M. Schaps, David Sherry, Jacques Bair, Karin U. Katz, Mikhail G. Katz, Piotr Blaszczyk, Robert Ely, Semen S. Kutateladze, Steven Shnider, Thomas Mcgaffey, Valerie Henry, Vladimir Kanovei

arxiv:1306.5973 v1 · 2013-06-25 · math.HO · math.CA · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W7WRLNDVZ5J7LEYLK6HIPK6NEB}

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	2026-05-18T03:19:58.060247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7ed15b475cf53f5930b578e87abcd20506f2e392c0a4c53b2ee403e43dfbe63

Aliases

arxiv: 1306.5973 · arxiv_version: 1306.5973v1 · doi: 10.48550/arxiv.1306.5973 · pith_short_12: W7WRLNDVZ5J7 · pith_short_16: W7WRLNDVZ5J7LEYL · pith_short_8: W7WRLNDV

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/W7WRLNDVZ5J7LEYLK6HIPK6NEB \
  | 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: b7ed15b475cf53f5930b578e87abcd20506f2e392c0a4c53b2ee403e43dfbe63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cc9e86d3807d0a7dee645d87a6e28c4ece638af61b5bd032e0e8cd168bb4faf",
    "cross_cats_sorted": [
      "math.CA",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2013-06-25T14:10:04Z",
    "title_canon_sha256": "06b9f84ebb4cbefe95b5a4d6b7a79dcfd524c4b4ce578f26307037fc088243a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5973",
    "kind": "arxiv",
    "version": 1
  }
}