Pith Number

pith:23ORSTNF

pith:2018:23ORSTNFGV3H5JUXWVCK63TGJ5

not attested not anchored not stored refs pending

Are there any models with homogeneous energy density?

H. Hern\'andez, J.L. Hern\'andez-Pastora, J. Ospino, L.A. N\'u\~nez

arxiv:1810.03059 v2 · 2018-10-06 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{23ORSTNFGV3H5JUXWVCK63TGJ5}

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.

Receipt and verification

First computed	2026-05-18T00:02:30.434970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6dd194da535767ea697b544af6e664f649b2f2cfb9be0ed1cc93f322ab99376

Aliases

arxiv: 1810.03059 · arxiv_version: 1810.03059v2 · doi: 10.48550/arxiv.1810.03059 · pith_short_12: 23ORSTNFGV3H · pith_short_16: 23ORSTNFGV3H5JUX · pith_short_8: 23ORSTNF

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/23ORSTNFGV3H5JUXWVCK63TGJ5 \
  | 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: d6dd194da535767ea697b544af6e664f649b2f2cfb9be0ed1cc93f322ab99376

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5189c2bb02fedcfbccb36543ea5b4bb31f10dc75af81af4a84c83fe3700f9f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-10-06T22:17:15Z",
    "title_canon_sha256": "f89ceb8c7aee2496df8015bd6f31265c75f199fdb3e75f463f1b0d67c361c389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03059",
    "kind": "arxiv",
    "version": 2
  }
}