Pith Number

pith:VAL54QUP

pith:2017:VAL54QUPTOCRV7PP65YOGWWZRL

not attested not anchored not stored refs pending

Asymptotic Symmetries of the Null Infinity and the Isolated Horizon

Shaoqi Hou

arxiv:1704.05701 v2 · 2017-04-19 · gr-qc · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VAL54QUPTOCRV7PP65YOGWWZRL}

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.

Cited by

1 paper in Pith

Abstract null hypersurfaces and characteristic initial value problems in General Relativity

Receipt and verification

First computed	2026-05-18T00:26:16.443773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a817de428f9b851afdeff770e35ad98adee0aefead8956922e01c44833a8b0e2

Aliases

arxiv: 1704.05701 · arxiv_version: 1704.05701v2 · doi: 10.48550/arxiv.1704.05701 · pith_short_12: VAL54QUPTOCR · pith_short_16: VAL54QUPTOCRV7PP · pith_short_8: VAL54QUP

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/VAL54QUPTOCRV7PP65YOGWWZRL \
  | 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: a817de428f9b851afdeff770e35ad98adee0aefead8956922e01c44833a8b0e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e51317c2d9765b9c53cb98b75561869315221ffc22b05f0413f91fd203abe77d",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-04-19T11:41:31Z",
    "title_canon_sha256": "43aff4e7e7304d644235848c467d840ddadcf05e0e10a8a0ffaa6043e732ab84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05701",
    "kind": "arxiv",
    "version": 2
  }
}