Pith Number

pith:MZJDUJQB

pith:2009:MZJDUJQBUY56JVGIGRPIGGFDS6

not attested not anchored not stored refs pending

Estimating Energy-Momentum and Angular Momentum Near Null Infinity

Adam D. Helfer

arxiv:0907.3461 v2 · 2009-07-20 · 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{MZJDUJQBUY56JVGIGRPIGGFDS6}

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

1 paper in Pith

Conformal compactification and affine-null metric formulation of the Einstein equations

Receipt and verification

First computed	2026-07-04T17:26:17.138803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66523a2601a63be4d4c8345e8318a3979f62e799d26a4d1903d379ba7f37ef18

Aliases

arxiv: 0907.3461 · arxiv_version: 0907.3461v2 · doi: 10.48550/arxiv.0907.3461 · pith_short_12: MZJDUJQBUY56 · pith_short_16: MZJDUJQBUY56JVGI · pith_short_8: MZJDUJQB

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/MZJDUJQBUY56JVGIGRPIGGFDS6 \
  | 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: 66523a2601a63be4d4c8345e8318a3979f62e799d26a4d1903d379ba7f37ef18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "182ac5db39f19862b5b510018cc5dab0c3220f3ab23fb1680bd9bc74f9f2931e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-07-20T18:15:21Z",
    "title_canon_sha256": "bbecc1dcff3f2ebcb7330e75bf89e0f6095aeae169439819562d2e7648bea16f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3461",
    "kind": "arxiv",
    "version": 2
  }
}