Pith Number

pith:DFHUD3KD

pith:2019:DFHUD3KDWQLGH6R273GKARVOEQ

not attested not anchored not stored refs pending

An octahedron of complex null rays, and conformal symmetry breaking

Maciej Dunajski, Miklos L{\aa}ngvik, Simone Speziale

arxiv:1901.08161 v2 · 2019-01-23 · hep-th · 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{DFHUD3KDWQLGH6R273GKARVOEQ}

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	2026-05-17T23:44:12.243880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

194f41ed43b41663fa3afecca046ae240cdc8d0f805894b8b9af2e62bcc4a518

Aliases

arxiv: 1901.08161 · arxiv_version: 1901.08161v2 · doi: 10.48550/arxiv.1901.08161 · pith_short_12: DFHUD3KDWQLG · pith_short_16: DFHUD3KDWQLGH6R2 · pith_short_8: DFHUD3KD

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/DFHUD3KDWQLGH6R273GKARVOEQ \
  | 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: 194f41ed43b41663fa3afecca046ae240cdc8d0f805894b8b9af2e62bcc4a518

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7df74c3894494c8b8adb839aedde2b8d1fcec74608b127e8f4dc1c96945a8aba",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-01-23T22:57:42Z",
    "title_canon_sha256": "0fdb464e6286bf5f775d31b688c83a9b6011894449aeae37c64ccdeac76bc0be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08161",
    "kind": "arxiv",
    "version": 2
  }
}