Pith Number

pith:PFLWUZWW

pith:2017:PFLWUZWWPOVV3VKM3NKSKBWZ74

not attested not anchored not stored refs pending

Integrable structures and the quantization of free null initial data for gravity

Andreas Fuchs, Michael Reisenberger

arxiv:1704.06992 v1 · 2017-04-23 · 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{PFLWUZWWPOVV3VKM3NKSKBWZ74}

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	2026-05-18T00:36:03.332632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79576a66d67bab5dd54cdb552506d9ff38edd8194b83f382acec97e66408ac0c

Aliases

arxiv: 1704.06992 · arxiv_version: 1704.06992v1 · doi: 10.48550/arxiv.1704.06992 · pith_short_12: PFLWUZWWPOVV · pith_short_16: PFLWUZWWPOVV3VKM · pith_short_8: PFLWUZWW

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/PFLWUZWWPOVV3VKM3NKSKBWZ74 \
  | 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: 79576a66d67bab5dd54cdb552506d9ff38edd8194b83f382acec97e66408ac0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aa05b97322915efdc62c0b523a882ad8e5f8b6d6054d3edf327379060fa9c78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-04-23T22:27:15Z",
    "title_canon_sha256": "86b18c6720813198ec90c4d96adc795061ffc322188e11283997a70ccef64ff9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06992",
    "kind": "arxiv",
    "version": 1
  }
}