Pith Number

pith:SFQBYUWB

pith:2006:SFQBYUWBX552NFBKWORE3S56MF

not attested not anchored not stored refs pending

Solving Einstein's Equations With Dual Coordinate Frames

Harald P. Pfeiffer, Lawrence E. Kidder, Lee Lindblom, Mark A. Scheel, Oliver Rinne, Saul A. Teukolsky

arxiv:gr-qc/0607056 v2 · 2006-07-13 · 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{SFQBYUWBX552NFBKWORE3S56MF}

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	2026-07-04T17:01:29.154139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91601c52c1bf7ba6942ab3a24dcbbe615ca6a79ef26a754b6582e6218e0025c8

Aliases

arxiv: gr-qc/0607056 · arxiv_version: gr-qc/0607056v2 · doi: 10.48550/arxiv.gr-qc/0607056 · pith_short_12: SFQBYUWBX552 · pith_short_16: SFQBYUWBX552NFBK · pith_short_8: SFQBYUWB

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/SFQBYUWBX552NFBKWORE3S56MF \
  | 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: 91601c52c1bf7ba6942ab3a24dcbbe615ca6a79ef26a754b6582e6218e0025c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a59bc47039ece3c36fce4ad4942173acd86dfcc093717a74e36bd41e72f30ae",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-07-13T17:49:22Z",
    "title_canon_sha256": "9e0c1a52406b1a146e7aeb06db331490f3069fe3b563ed4b33dc3a3b2f636183"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0607056",
    "kind": "arxiv",
    "version": 2
  }
}