Pith Number

pith:PC2NDAQ4

pith:2015:PC2NDAQ4LGWQ7P5523KS7PI3HP

not attested not anchored not stored refs pending

On the generalized Hurwitz equations and the Baragar-Umeda equations

Anja I. S. Moldenhauer, Benjamin Fine, Gabriele Kern-Isberner, Gerhard Rosenberger

arxiv:1504.04321 v1 · 2015-04-16 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PC2NDAQ4LGWQ7P5523KS7PI3HP}

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	2026-05-18T02:18:33.476358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78b4d1821c59ad0fbfbdd6d52fbd1b3bc15d0faae8ed184384b72b74c66badf9

Aliases

arxiv: 1504.04321 · arxiv_version: 1504.04321v1 · doi: 10.48550/arxiv.1504.04321 · pith_short_12: PC2NDAQ4LGWQ · pith_short_16: PC2NDAQ4LGWQ7P55 · pith_short_8: PC2NDAQ4

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/PC2NDAQ4LGWQ7P5523KS7PI3HP \
  | 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: 78b4d1821c59ad0fbfbdd6d52fbd1b3bc15d0faae8ed184384b72b74c66badf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dbd5727aeb8c50a80e615ecc08aa523b2f87d17b8aa1ecf547089585eb18d7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2015-04-16T17:53:49Z",
    "title_canon_sha256": "43abc98d503ccb6bb8af976fade0d50b608a10d186d288f9e55f5b741949ea9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04321",
    "kind": "arxiv",
    "version": 1
  }
}