Pith Number

pith:5ZCG2HKV

pith:2016:5ZCG2HKVI2EVYCI44LXZNGLCBX

not attested not anchored not stored refs pending

Twisted geometries, twistors and conformal transformations

Miklos L{\aa}ngvik, Simone Speziale

arxiv:1602.01861 v2 · 2016-02-04 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ZCG2HKVI2EVYCI44LXZNGLCBX}

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	2026-05-18T01:10:07.162486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee446d1d5546895c091ce2ef9699620dce3c09902cff81d9a0d69bc5b9352b99

Aliases

arxiv: 1602.01861 · arxiv_version: 1602.01861v2 · doi: 10.48550/arxiv.1602.01861 · pith_short_12: 5ZCG2HKVI2EV · pith_short_16: 5ZCG2HKVI2EVYCI4 · pith_short_8: 5ZCG2HKV

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/5ZCG2HKVI2EVYCI44LXZNGLCBX \
  | 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: ee446d1d5546895c091ce2ef9699620dce3c09902cff81d9a0d69bc5b9352b99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fc9da498f23e691c7a70748db86b843ed21754508c3a9bdcae19dde94084754",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-02-04T21:52:05Z",
    "title_canon_sha256": "17da24650bebd9e7750cae875789e829dc05a052ea9e9c5c0b7636da7e568a9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01861",
    "kind": "arxiv",
    "version": 2
  }
}