Pith Number

pith:R56WDUFS

pith:2013:R56WDUFSNN4L5E54G5CJVMCEPE

not attested not anchored not stored refs pending

Hyperbolicity of Physical Theories with Application to General Relativity

David Hilditch, Ronny Richter

arxiv:1303.4783 v1 · 2013-03-19 · 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{R56WDUFSNN4L5E54G5CJVMCEPE}

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	2026-05-18T01:08:44.985386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f7d61d0b26b78be93bc37449ab0447900eb3a41deb96776ecab81da281aec88

Aliases

arxiv: 1303.4783 · arxiv_version: 1303.4783v1 · doi: 10.48550/arxiv.1303.4783 · pith_short_12: R56WDUFSNN4L · pith_short_16: R56WDUFSNN4L5E54 · pith_short_8: R56WDUFS

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/R56WDUFSNN4L5E54G5CJVMCEPE \
  | 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: 8f7d61d0b26b78be93bc37449ab0447900eb3a41deb96776ecab81da281aec88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3b9a3a85aff36cf3f0508c38eb5768e0fc3ae8b28b9e44280cbcd22301b0bba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-03-19T22:54:52Z",
    "title_canon_sha256": "2c330c77e668e6de5d8b064f8974135d708cbe734b83ae92d837bbd0eb940475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4783",
    "kind": "arxiv",
    "version": 1
  }
}