Pith Number

pith:YVW3P2O4

pith:2016:YVW3P2O4RUVMBEQUKQSQ56SL7K

not attested not anchored not stored refs pending

Stabilization of Damped Waves on Spheres and Zoll Surfaces of Revolution

Hui Zhu

arxiv:1604.05218 v2 · 2016-04-18 · 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{YVW3P2O4RUVMBEQUKQSQ56SL7K}

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	2026-05-18T00:27:53.327362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c56db7e9dc8d2ac0921454250efa4bfa82e76e42bb968e189be9bb52ecceb960

Aliases

arxiv: 1604.05218 · arxiv_version: 1604.05218v2 · doi: 10.48550/arxiv.1604.05218 · pith_short_12: YVW3P2O4RUVM · pith_short_16: YVW3P2O4RUVMBEQU · pith_short_8: YVW3P2O4

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/YVW3P2O4RUVMBEQUKQSQ56SL7K \
  | 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: c56db7e9dc8d2ac0921454250efa4bfa82e76e42bb968e189be9bb52ecceb960

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b65e8f11763932e594e1f266716636ed0f851013e4633889d216b01a71a65cf3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-04-18T15:49:29Z",
    "title_canon_sha256": "f38d17eae7def66fa815be313cc204730931529484ebaff4a2c48e35b9a6eb85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05218",
    "kind": "arxiv",
    "version": 2
  }
}