Pith Number

pith:47WXHIV2

pith:2009:47WXHIV2YOPU7JL3B3PO4ZNSRN

not attested not anchored not stored refs pending

Local Bianchi Identities in the Relativistic Non-Autonomous Lagrange Geometry

Mircea Neagu

arxiv:0912.5209 v1 · 2009-12-28 · 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{47WXHIV2YOPU7JL3B3PO4ZNSRN}

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	2026-05-18T04:07:41.896538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7ed73a2bac39f4fa57b0edeee65b28b7642fafb090a9b5cf7b596a6f33c4613

Aliases

arxiv: 0912.5209 · arxiv_version: 0912.5209v1 · doi: 10.48550/arxiv.0912.5209 · pith_short_12: 47WXHIV2YOPU · pith_short_16: 47WXHIV2YOPU7JL3 · pith_short_8: 47WXHIV2

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/47WXHIV2YOPU7JL3B3PO4ZNSRN \
  | 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: e7ed73a2bac39f4fa57b0edeee65b28b7642fafb090a9b5cf7b596a6f33c4613

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94eedae77fafb45cf6f08466fdada3d316b7eefa51a9195c81c6347842830451",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-12-28T19:16:12Z",
    "title_canon_sha256": "e64dc46bb7c72687af54c431551d72404703d84a532f973020db63a0bd74516e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.5209",
    "kind": "arxiv",
    "version": 1
  }
}