Pith Number

pith:VL75KXNX

pith:2013:VL75KXNX6D34CWKNURY3DEWTUA

not attested not anchored not stored refs pending

Unraveling gravity beyond Einstein with extended test bodies

Dirk Puetzfeld, Yuri N. Obukhov

arxiv:1307.3933 v1 · 2013-07-15 · 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{VL75KXNX6D34CWKNURY3DEWTUA}

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	2026-05-18T03:14:06.647925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaffd55db7f0f7c1594da471b192d3a0231a16ba655136650ab502257311abc6

Aliases

arxiv: 1307.3933 · arxiv_version: 1307.3933v1 · doi: 10.48550/arxiv.1307.3933 · pith_short_12: VL75KXNX6D34 · pith_short_16: VL75KXNX6D34CWKN · pith_short_8: VL75KXNX

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/VL75KXNX6D34CWKNURY3DEWTUA \
  | 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: aaffd55db7f0f7c1594da471b192d3a0231a16ba655136650ab502257311abc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc65c151b52a4bdac13738b5a57e5c229b4564a52f5d5f44e9740bc5b5b41a27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-07-15T13:35:35Z",
    "title_canon_sha256": "06a1241ab72a9c8ed7b55527d0524c4f90cbf9d666d488a03e336c5de12d8b24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3933",
    "kind": "arxiv",
    "version": 1
  }
}