Pith Number

pith:V7IBNQZV

pith:2011:V7IBNQZVTLJBV3TDNBZTOS2QYH

not attested not anchored not stored refs pending

Bondi-Sachs metrics and Photon Rockets

Ding Wang, Huabin Ge, Mingxing Luo, Qiping Su, Xiao Zhang

arxiv:1105.3258 v1 · 2011-05-17 · gr-qc · hep-th · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V7IBNQZVTLJBV3TDNBZTOS2QYH}

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	2026-05-18T04:12:11.713995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afd016c3359ad21aee636873374b50c1ed22714688cb3d040054104954183e7d

Aliases

arxiv: 1105.3258 · arxiv_version: 1105.3258v1 · doi: 10.48550/arxiv.1105.3258 · pith_short_12: V7IBNQZVTLJB · pith_short_16: V7IBNQZVTLJBV3TD · pith_short_8: V7IBNQZV

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/V7IBNQZVTLJBV3TDNBZTOS2QYH \
  | 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: afd016c3359ad21aee636873374b50c1ed22714688cb3d040054104954183e7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5b0fec1fe751a67b3f46c985b0974529a934d7c3900996e85272b7e860a01b3",
    "cross_cats_sorted": [
      "hep-th",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-05-17T02:04:49Z",
    "title_canon_sha256": "2b7abe91d2396d52b4cea01ef87bee20843dbd0fcd95454002dd02755da881cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3258",
    "kind": "arxiv",
    "version": 1
  }
}