Pith Number

pith:NPCOEA4D

pith:2009:NPCOEA4DMOTASLPMYGSE77Z5P4

not attested not anchored not stored refs pending

LTB spacetimes in terms of Dirac observables

J. Tambornino, K. Giesel, T. Thiemann

arxiv:0906.0569 v1 · 2009-06-02 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPCOEA4DMOTASLPMYGSE77Z5P4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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

Dust collapse and bounce in spherically symmetric quantum-inspired gravity models

Receipt and verification

First computed	2026-05-18T02:34:45.972781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bc4e2038363a6092decc1a44fff3d7f00c3a1a0f5d2b96f9bcde67ec64517b2

Aliases

arxiv: 0906.0569 · arxiv_version: 0906.0569v1 · doi: 10.48550/arxiv.0906.0569 · pith_short_12: NPCOEA4DMOTA · pith_short_16: NPCOEA4DMOTASLPM · pith_short_8: NPCOEA4D

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/NPCOEA4DMOTASLPMYGSE77Z5P4 \
  | 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: 6bc4e2038363a6092decc1a44fff3d7f00c3a1a0f5d2b96f9bcde67ec64517b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d2f51f356e812377f323926e33b8ac5f946ac27c73c3c533d248e18eedd958d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-06-02T19:44:42Z",
    "title_canon_sha256": "88db2f722fd69d42731beb6698841893ee9c1709832f8214d6b5d45b6f6cb314"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0569",
    "kind": "arxiv",
    "version": 1
  }
}