Pith Number

pith:DT3OY7SX

pith:2008:DT3OY7SXQIP3D7QFOIYPNJV23N

not attested not anchored not stored refs pending

Energy-Momentum of the Friedmann Models in General Relativity and Teleparallel Theory of Gravity

M. Jamil Amir, M. Sharif

arxiv:0809.1529 v1 · 2008-09-09 · 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{DT3OY7SXQIP3D7QFOIYPNJV23N}

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	2026-05-18T04:30:58.405775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cf6ec7e57821fb1fe057230f6a6badb4448273a593997eb66afcde057fe103f

Aliases

arxiv: 0809.1529 · arxiv_version: 0809.1529v1 · doi: 10.48550/arxiv.0809.1529 · pith_short_12: DT3OY7SXQIP3 · pith_short_16: DT3OY7SXQIP3D7QF · pith_short_8: DT3OY7SX

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/DT3OY7SXQIP3D7QFOIYPNJV23N \
  | 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: 1cf6ec7e57821fb1fe057230f6a6badb4448273a593997eb66afcde057fe103f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4444baafdc8951b1692c64dadfeca9991dc22b3d6fde22e71706dac3b05838e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-09-09T10:26:28Z",
    "title_canon_sha256": "c8ebf6fceaa793b2276fe652399f085fc678d8f2eb9ed634de930552e0413f21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.1529",
    "kind": "arxiv",
    "version": 1
  }
}