pith. sign in
Pith Number

pith:BIM6HGVW

pith:2001:BIM6HGVWIEWMXGVR3VQQJWQJCK
not attested not anchored not stored refs pending

The Meaning of Einstein's Equation

Emory F. Bunn, John C. Baez

arxiv:gr-qc/0103044 v6 · 2001-03-13 · gr-qc · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BIM6HGVWIEWMXGVR3VQQJWQJCK}

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 2026-05-18T01:51:48.900683Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0a19e39ab6412ccb9ab1dd6104da09128760a7a7c3103040049992829a73fc5c

Aliases

arxiv: gr-qc/0103044 · arxiv_version: gr-qc/0103044v6 · doi: 10.48550/arxiv.gr-qc/0103044 · pith_short_12: BIM6HGVWIEWM · pith_short_16: BIM6HGVWIEWMXGVR · pith_short_8: BIM6HGVW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BIM6HGVWIEWMXGVR3VQQJWQJCK \
  | 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: 0a19e39ab6412ccb9ab1dd6104da09128760a7a7c3103040049992829a73fc5c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5801355d8ac0c2054c946a3d9e454491fe28f80fed159a1f5fb9770dfc8ed519",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-03-13T22:38:05Z",
    "title_canon_sha256": "27fc9232fbf675e755a828d6e3690d1a4bb80d065170671256f2efca426baa61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0103044",
    "kind": "arxiv",
    "version": 6
  }
}