Pith Number

pith:WVEBQSAD

pith:2020:WVEBQSADEVVIXAIKCQXBZ6J6FT

not attested not anchored not stored refs pending

Null infinity as an open Hamiltonian system

Wolfgang Wieland

arxiv:2012.01889 v2 · 2020-12-03 · 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{WVEBQSADEVVIXAIKCQXBZ6J6FT}

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

2 papers in Pith

The Energy-Momentum-News Complex near Future Null Infinity

Carrollian Perspective on Celestial Holography

Receipt and verification

First computed	2026-07-05T02:32:02.045229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b548184803256a8b810a142e1cf93e2cd79971271a42208e6a49e5ea1591131e

Aliases

arxiv: 2012.01889 · arxiv_version: 2012.01889v2 · doi: 10.48550/arxiv.2012.01889 · pith_short_12: WVEBQSADEVVI · pith_short_16: WVEBQSADEVVIXAIK · pith_short_8: WVEBQSAD

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/WVEBQSADEVVIXAIKCQXBZ6J6FT \
  | 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: b548184803256a8b810a142e1cf93e2cd79971271a42208e6a49e5ea1591131e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "057dd2d6353e4556616665c7d24ca6a6b0b611fac888a4a08e98ce7cec84c780",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-12-03T13:12:13Z",
    "title_canon_sha256": "c19ecf25cc09ac84ebdb74719e9b6ada9e3427b54010f808e0ea8b5006969820"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.01889",
    "kind": "arxiv",
    "version": 2
  }
}