Pith Number

pith:KNS7Y3B3

pith:2024:KNS7Y3B3FVDVROPG4JHGUHVOMU

not attested not anchored not stored refs pending

Polynomiality of the double ramification cycle

Pim Spelier

arxiv:2401.17421 v1 · 2024-01-30 · 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{KNS7Y3B3FVDVROPG4JHGUHVOMU}

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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.

Cited by

1 paper in Pith

On the $K$-theoretic logarithmic double ramification class

Receipt and verification

First computed	2026-07-05T07:39:36.550398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5365fc6c3b2d4758b9e6e24e6a1eae6513d4fc9ca8c7ece5e7bb69fcb28fb0c1

Aliases

arxiv: 2401.17421 · arxiv_version: 2401.17421v1 · doi: 10.48550/arxiv.2401.17421 · pith_short_12: KNS7Y3B3FVDV · pith_short_16: KNS7Y3B3FVDVROPG · pith_short_8: KNS7Y3B3

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/KNS7Y3B3FVDVROPG4JHGUHVOMU \
  | 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: 5365fc6c3b2d4758b9e6e24e6a1eae6513d4fc9ca8c7ece5e7bb69fcb28fb0c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43fc4c7308c510463082c0a10fd928ff86adc54956cd1c069d1f72ebcb759287",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2024-01-30T20:21:58Z",
    "title_canon_sha256": "7d74a90992c8451e1b2bef2e637c6190edba208f9bdb4d0c87428cb13c137942"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.17421",
    "kind": "arxiv",
    "version": 1
  }
}