Pith Number

pith:RUFKDWS2

pith:2014:RUFKDWS27JYS4AL7KJVLBIKGQR

not attested not anchored not stored refs pending

Lp-gradient harmonic maps into spheres and SO(N)

Armin Schikorra

arxiv:1404.0913 v1 · 2014-04-03 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RUFKDWS27JYS4AL7KJVLBIKGQR}

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	2026-05-18T02:54:55.051007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d0aa1da5afa712e017f526ab0a146845f2ba3a9248bfe1be15a5acd8baedef1

Aliases

arxiv: 1404.0913 · arxiv_version: 1404.0913v1 · doi: 10.48550/arxiv.1404.0913 · pith_short_12: RUFKDWS27JYS · pith_short_16: RUFKDWS27JYS4AL7 · pith_short_8: RUFKDWS2

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/RUFKDWS27JYS4AL7KJVLBIKGQR \
  | 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: 8d0aa1da5afa712e017f526ab0a146845f2ba3a9248bfe1be15a5acd8baedef1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1db4b422bed138f25528fbfa6e9fcf04084c7683b8a76ba81603f4b979b7a6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-04-03T14:05:18Z",
    "title_canon_sha256": "638496982b05b3ca45192454a40e6f01850518868f3c6b587bae122fdf6f844a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0913",
    "kind": "arxiv",
    "version": 1
  }
}