Pith Number

pith:X7GUVWYG

pith:2013:X7GUVWYGI5ANOGWHQNRVZR4JAZ

not attested not anchored not stored refs pending

Classification of the solutions to an overdetermined problem in the plane

Martin Traizet

arxiv:1301.6927 v2 · 2013-01-29 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X7GUVWYGI5ANOGWHQNRVZR4JAZ}

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	2026-05-18T03:30:12.060484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfcd4adb064740d71ac783635cc789066269ee4628ffb065a396ed5d178a8f24

Aliases

arxiv: 1301.6927 · arxiv_version: 1301.6927v2 · doi: 10.48550/arxiv.1301.6927 · pith_short_12: X7GUVWYGI5AN · pith_short_16: X7GUVWYGI5ANOGWH · pith_short_8: X7GUVWYG

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/X7GUVWYGI5ANOGWHQNRVZR4JAZ \
  | 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: bfcd4adb064740d71ac783635cc789066269ee4628ffb065a396ed5d178a8f24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6baf3fb873f4925e298a815410f70e83b33ec47e395e9c0ff89089549547eda1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-01-29T14:24:55Z",
    "title_canon_sha256": "8990235b1190e03aa01861508b2d2a4503b2da602e831527ba0d8cdb706fc8e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6927",
    "kind": "arxiv",
    "version": 2
  }
}