Pith Number

pith:OR7OUKET

pith:2001:OR7OUKETIJRQ4T7IMGLSGXHJWP

not attested not anchored not stored refs pending

Effective invariants of braid monodromy and topology of plane curves

Enrique Artal, Jorge Carmona, Jose Ignacio Cogolludo

arxiv:math/0105157 v1 · 2001-05-18 · math.AG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OR7OUKETIJRQ4T7IMGLSGXHJWP}

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	2026-05-18T00:16:51.382603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

747eea289342630e4fe86197235ce9b3e23a41df6fb8d0c424bc0a87a0e13f64

Aliases

arxiv: math/0105157 · arxiv_version: math/0105157v1 · doi: 10.48550/arxiv.math/0105157 · pith_short_12: OR7OUKETIJRQ · pith_short_16: OR7OUKETIJRQ4T7I · pith_short_8: OR7OUKET

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/OR7OUKETIJRQ4T7IMGLSGXHJWP \
  | 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: 747eea289342630e4fe86197235ce9b3e23a41df6fb8d0c424bc0a87a0e13f64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e72761e166940b9545f9904e47dc32bcfe78506a3e78f5b3fb917cd9bc37a5ab",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2001-05-18T09:22:34Z",
    "title_canon_sha256": "cec7c5d118a81001654cebeb97d2e60fe7e97923e1eefbc726c0d61647f849d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0105157",
    "kind": "arxiv",
    "version": 1
  }
}