Pith Number

pith:YL3QLM2D

pith:2015:YL3QLM2DNADFCXBYV6A7IYUTAH

not attested not anchored not stored refs pending

Deformations of Q-curvature I

Wei Yuan, Yueh-Ju Lin

arxiv:1512.05389 v1 · 2015-12-16 · 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{YL3QLM2DNADFCXBYV6A7IYUTAH}

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	2026-05-18T01:24:10.158113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2f705b3436806515c38af81f4629301db9788ce0953eafd5a96ce4ce68ba68b

Aliases

arxiv: 1512.05389 · arxiv_version: 1512.05389v1 · doi: 10.48550/arxiv.1512.05389 · pith_short_12: YL3QLM2DNADF · pith_short_16: YL3QLM2DNADFCXBY · pith_short_8: YL3QLM2D

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/YL3QLM2DNADFCXBYV6A7IYUTAH \
  | 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: c2f705b3436806515c38af81f4629301db9788ce0953eafd5a96ce4ce68ba68b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5879e93c01248d54f946b89ecd60bb6c16595c5d8094358a74c386bf8b833497",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-12-16T21:55:43Z",
    "title_canon_sha256": "71c81b8b2e7724534f4f34e0c433c276bce43460e6f61394a3af56d7e521e5ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05389",
    "kind": "arxiv",
    "version": 1
  }
}