Pith Number

pith:2WDRCVXS

pith:1992:2WDRCVXSLOQNOMCF33WGZPIIQZ

not attested not anchored not stored refs pending

Linear orbits of d-tuples of points in P^1

Carel Faber, Paolo Aluffi

arxiv:alg-geom/9205005 v1 · 1992-05-12 · alg-geom · 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{2WDRCVXSLOQNOMCF33WGZPIIQZ}

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	2026-05-18T03:58:14.613404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5871156f25ba0d73045deec6cbd088645da9218c97b9516af955c37a1c3bc31

Aliases

arxiv: alg-geom/9205005 · arxiv_version: alg-geom/9205005v1 · doi: 10.48550/arxiv.alg-geom/9205005 · pith_short_12: 2WDRCVXSLOQN · pith_short_16: 2WDRCVXSLOQNOMCF · pith_short_8: 2WDRCVXS

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/2WDRCVXSLOQNOMCF33WGZPIIQZ \
  | 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: d5871156f25ba0d73045deec6cbd088645da9218c97b9516af955c37a1c3bc31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f78aa2257b3948a12fd23579c92ae39e49d11bdaf5a2c48cfb5d27afb5a3c2c",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "alg-geom",
    "submitted_at": "1992-05-12T15:38:51Z",
    "title_canon_sha256": "446c92d4d8bc6e871bf9d9e5c15751d574c2d99c4aa60348722cfe10dab0fc12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "alg-geom/9205005",
    "kind": "arxiv",
    "version": 1
  }
}