Pith Number

pith:T35J6UFH

pith:2015:T35J6UFHFXQHZKXN222XDHH5Y4

not attested not anchored not stored refs pending

Biharmonic and f-biharmonic maps from a 2-sphere

Han-Chun Yang, Ye-Lin Ou, Ze-Ping Wang

arxiv:1501.03414 v1 · 2015-01-14 · 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{T35J6UFHFXQHZKXN222XDHH5Y4}

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	2026-05-18T01:18:47.860244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9efa9f50a72de07caaedd6b5719cfdc7390b761082d202e15293a91fc6cef973

Aliases

arxiv: 1501.03414 · arxiv_version: 1501.03414v1 · doi: 10.48550/arxiv.1501.03414 · pith_short_12: T35J6UFHFXQH · pith_short_16: T35J6UFHFXQHZKXN · pith_short_8: T35J6UFH

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/T35J6UFHFXQHZKXN222XDHH5Y4 \
  | 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: 9efa9f50a72de07caaedd6b5719cfdc7390b761082d202e15293a91fc6cef973

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8f19e737c56569bd120c6c4f3cc627388f3202ed18fc5a291882145d4a5f37b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-01-14T17:17:56Z",
    "title_canon_sha256": "9e0568edf19cbe89f2532ef7ef2c5829b69ee3a1d1b206863e473c6b629e4b21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03414",
    "kind": "arxiv",
    "version": 1
  }
}