Pith Number

pith:UQRVPDGX

pith:2010:UQRVPDGXOLJR2OIUOJQXCMGB4F

not attested not anchored not stored refs pending

The first boundary value problem for Abreu's equation

Bin Zhou

arxiv:1009.1834 v1 · 2010-09-09 · 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{UQRVPDGXOLJR2OIUOJQXCMGB4F}

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	2026-05-18T04:41:06.206513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a423578cd772d31d391472617130c1e176b64ebc1b5a9d03eac5efc9665f7c36

Aliases

arxiv: 1009.1834 · arxiv_version: 1009.1834v1 · doi: 10.48550/arxiv.1009.1834 · pith_short_12: UQRVPDGXOLJR · pith_short_16: UQRVPDGXOLJR2OIU · pith_short_8: UQRVPDGX

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/UQRVPDGXOLJR2OIUOJQXCMGB4F \
  | 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: a423578cd772d31d391472617130c1e176b64ebc1b5a9d03eac5efc9665f7c36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d516045b37fbffaa91f0ecdd9b4afe0807d8699a4185db4a054776a7f02f452e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-09-09T17:30:47Z",
    "title_canon_sha256": "5307a284ad2dab80a23dfe82d4c8b787700c62d947ecf8995ccf06a735b86ac3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1834",
    "kind": "arxiv",
    "version": 1
  }
}