Pith Number

pith:HEXBHJ64

pith:2006:HEXBHJ645XFE7OQM7XJUVZKVKX

not attested not anchored not stored refs pending

Universal field equations for metric-affine theories of gravity

M. Ujevic, V. Tapia

arxiv:gr-qc/0605132 v2 · 2006-05-25 · 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{HEXBHJ645XFE7OQM7XJUVZKVKX}

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	2026-05-18T04:17:52.790917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

392e13a7dcedca4fba0cfdd34ae55555f134018106a1853e1906411dc85d2a58

Aliases

arxiv: gr-qc/0605132 · arxiv_version: gr-qc/0605132v2 · doi: 10.48550/arxiv.gr-qc/0605132 · pith_short_12: HEXBHJ645XFE · pith_short_16: HEXBHJ645XFE7OQM · pith_short_8: HEXBHJ64

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/HEXBHJ645XFE7OQM7XJUVZKVKX \
  | 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: 392e13a7dcedca4fba0cfdd34ae55555f134018106a1853e1906411dc85d2a58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "990801623801ee83ff97f9076ff60efa16c9c2eacaa36c320d0d00a993d03981",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-05-25T20:23:34Z",
    "title_canon_sha256": "5b516b5c1573d25ad7a00037682191a2003312103b9cf31cc077858752409b80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0605132",
    "kind": "arxiv",
    "version": 2
  }
}