Pith Number

pith:HG3NMNRS

pith:2009:HG3NMNRSBV7GAFENTHWSZ5W2RM

not attested not anchored not stored refs pending

Covariance of the algebra of constraints of 4-D general relativity

Eyo Ita

arxiv:0901.3041 v3 · 2009-01-20 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HG3NMNRSBV7GAFENTHWSZ5W2RM}

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	2026-05-18T04:02:12.303090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39b6d636320d7e60148d99ed2cf6da8b0029f657ffe00e0fba5b80ffdc16dc12

Aliases

arxiv: 0901.3041 · arxiv_version: 0901.3041v3 · doi: 10.48550/arxiv.0901.3041 · pith_short_12: HG3NMNRSBV7G · pith_short_16: HG3NMNRSBV7GAFEN · pith_short_8: HG3NMNRS

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/HG3NMNRSBV7GAFENTHWSZ5W2RM \
  | 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: 39b6d636320d7e60148d99ed2cf6da8b0029f657ffe00e0fba5b80ffdc16dc12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d39154fd5b6bd95f075ade1e6794f19e0154a4ae3a42fddeccfbb81c6ef7ce06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-01-20T12:28:15Z",
    "title_canon_sha256": "0f64429b66b5c67aa8d175636df772769f69548fa744c2967dc6ef2ded4f0b6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3041",
    "kind": "arxiv",
    "version": 3
  }
}