Pith Number

pith:RFR7UXFS

pith:2010:RFR7UXFSKG5KRACFT3SDZZTCAA

not attested not anchored not stored refs pending

Intrinsic vanishing of energy and momenta in a universe

Juan Antonio Morales-Lladosa, Ramon Lapiedra

arxiv:1004.2809 v3 · 2010-04-16 · 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{RFR7UXFSKG5KRACFT3SDZZTCAA}

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	2026-05-18T04:09:44.370727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8963fa5cb251baa880459ee43ce662003c786a91030190ad2e2e324aab8f121f

Aliases

arxiv: 1004.2809 · arxiv_version: 1004.2809v3 · doi: 10.48550/arxiv.1004.2809 · pith_short_12: RFR7UXFSKG5K · pith_short_16: RFR7UXFSKG5KRACF · pith_short_8: RFR7UXFS

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/RFR7UXFSKG5KRACFT3SDZZTCAA \
  | 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: 8963fa5cb251baa880459ee43ce662003c786a91030190ad2e2e324aab8f121f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c97e785a8301ffb86d3f86581ef4f86b6f4ab13156de2d33621b2e6158b54e8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-04-16T10:19:52Z",
    "title_canon_sha256": "6e09f49bc30c36f83f089d162cd1d429429f4c8eb8ed858a9e46f78b13f36a2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2809",
    "kind": "arxiv",
    "version": 3
  }
}