Pith Number

pith:3UM56QMR

pith:2007:3UM56QMRG2CEE7JUIENUXKAV53

not attested not anchored not stored refs pending

Projecting Massive Scalar Fields to Null Infinity

C. Dappiaggi (Pavia U.)

arxiv:0705.0284 v1 · 2007-05-02 · 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{3UM56QMRG2CEE7JUIENUXKAV53}

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	2026-07-04T17:03:27.866649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd19df41913684427d34411b4ba815eed40a89dd550eed63e65d1553fa56717b

Aliases

arxiv: 0705.0284 · arxiv_version: 0705.0284v1 · doi: 10.48550/arxiv.0705.0284 · pith_short_12: 3UM56QMRG2CE · pith_short_16: 3UM56QMRG2CEE7JU · pith_short_8: 3UM56QMR

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/3UM56QMRG2CEE7JUIENUXKAV53 \
  | 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: dd19df41913684427d34411b4ba815eed40a89dd550eed63e65d1553fa56717b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b487453809ace16447ffe5cd2b5ea421981b37e10e4cb2817ccb062e26dcc811",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-05-02T13:11:14Z",
    "title_canon_sha256": "2f1d3f5816d45053df738f93a2f8b93986ca2c788bd38ba81e25eb0a9c73abf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.0284",
    "kind": "arxiv",
    "version": 1
  }
}