Pith Number

pith:VYFKYCBL

pith:2012:VYFKYCBLNSAWWD3456MZSIKMLD

not attested not anchored not stored refs pending

On the structure of almost Einstein manifolds

Bing Wang, Gang Tian

arxiv:1202.2912 v1 · 2012-02-14 · 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{VYFKYCBLNSAWWD3456MZSIKMLD}

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	2026-05-18T04:02:24.683306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae0aac082b6c816b0f7cef9999214c58d779b409ecf208e0b7bbc8f80e90b547

Aliases

arxiv: 1202.2912 · arxiv_version: 1202.2912v1 · doi: 10.48550/arxiv.1202.2912 · pith_short_12: VYFKYCBLNSAW · pith_short_16: VYFKYCBLNSAWWD34 · pith_short_8: VYFKYCBL

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/VYFKYCBLNSAWWD3456MZSIKMLD \
  | 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: ae0aac082b6c816b0f7cef9999214c58d779b409ecf208e0b7bbc8f80e90b547

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6adc36c339912e1e03e519cf67032ca3cf1e8375bec13b1fd3695011bd1f4980",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-02-14T02:37:11Z",
    "title_canon_sha256": "d7e5a135d12c937dbc6070ff332938e608eb42793b0114f3ce3da45864ff2fcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2912",
    "kind": "arxiv",
    "version": 1
  }
}