Pith Number

pith:VDCLEZRX

pith:2015:VDCLEZRXN5Q2MD2YNWBUFFG6ON

not attested not anchored not stored refs pending

Zeros of the dilogarithm

Cormac O'Sullivan

arxiv:1507.07980 v1 · 2015-07-28 · math.NT · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VDCLEZRXN5Q2MD2YNWBUFFG6ON}

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	2026-05-18T01:36:08.758557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8c4b266376f61a60f586d834294de73697507c0b2f70c069fd63e51cb03a118

Aliases

arxiv: 1507.07980 · arxiv_version: 1507.07980v1 · doi: 10.48550/arxiv.1507.07980 · pith_short_12: VDCLEZRXN5Q2 · pith_short_16: VDCLEZRXN5Q2MD2Y · pith_short_8: VDCLEZRX

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/VDCLEZRXN5Q2MD2YNWBUFFG6ON \
  | 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: a8c4b266376f61a60f586d834294de73697507c0b2f70c069fd63e51cb03a118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8c3ebb0a7180eeefc6af214dc60503411bd21102d2ee01fa795092a128318fe",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2015-07-28T22:48:08Z",
    "title_canon_sha256": "33fcdb6700ad5f9e2c967d6a36d1715340d80f822ca724330c90920cf848ff92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07980",
    "kind": "arxiv",
    "version": 1
  }
}