Pith Number

pith:747SXTVG

pith:1995:747SXTVGDY3DGWNWVRMAF2AZ2C

not attested not anchored not stored refs pending

The Covariant Approach to LRS Perfect Fluid Spacetime Geometries

George F R Ellis, Henk van Elst

arxiv:gr-qc/9510044 v1 · 1995-10-23 · gr-qc · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{747SXTVGDY3DGWNWVRMAF2AZ2C}

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

Eckart heat-flux applicability in $F(\Phi,X)R$ theories and the existence of temperature gradients

Receipt and verification

First computed	2026-07-04T15:58:51.065338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff3f2bcea61e363359b6ac5802e819d0b1cfbec62faef715cb2e586c627bb1ed

Aliases

arxiv: gr-qc/9510044 · arxiv_version: gr-qc/9510044v1 · doi: 10.48550/arxiv.gr-qc/9510044 · pith_short_12: 747SXTVGDY3D · pith_short_16: 747SXTVGDY3DGWNW · pith_short_8: 747SXTVG

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/747SXTVGDY3DGWNWVRMAF2AZ2C \
  | 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: ff3f2bcea61e363359b6ac5802e819d0b1cfbec62faef715cb2e586c627bb1ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcb6c6dc63f44ec61670a4af2240ea479333369d6045cddf827b9412fb3ec9f4",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1995-10-23T10:53:14Z",
    "title_canon_sha256": "d1fa0f09d4b6469187d2b3365fe5305e4245143becdec3c7df59cbee6a451045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9510044",
    "kind": "arxiv",
    "version": 1
  }
}