Pith Number

pith:DJCPSFJA

pith:2007:DJCPSFJANMGRIXBHSUXRAUVYHQ

not attested not anchored not stored refs pending

An Algebraic Analysis of Conchoids to Algebraic Curves

J. Rafael Sendra, Juana Sendra

arxiv:0705.4590 v1 · 2007-05-31 · 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{DJCPSFJANMGRIXBHSUXRAUVYHQ}

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	2026-05-18T03:03:10.645207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a44f915206b0d145c27952f1052b83c25810e110c54770583059f11958a0083

Aliases

arxiv: 0705.4590 · arxiv_version: 0705.4590v1 · doi: 10.48550/arxiv.0705.4590 · pith_short_12: DJCPSFJANMGR · pith_short_16: DJCPSFJANMGRIXBH · pith_short_8: DJCPSFJA

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/DJCPSFJANMGRIXBHSUXRAUVYHQ \
  | 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: 1a44f915206b0d145c27952f1052b83c25810e110c54770583059f11958a0083

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a160b61ba59672ba02720ae240457e34c36c5c7ec33b624d2804d4a65741f1b6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2007-05-31T12:40:32Z",
    "title_canon_sha256": "716b1d4571e403b86496f4209e12f724c42d0cebfbafc1cb8705b006648e7164"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.4590",
    "kind": "arxiv",
    "version": 1
  }
}