Pith Number

pith:7PRCBDT4

pith:2013:7PRCBDT4IYHMC6NM6TCNFMVUF6

not attested not anchored not stored refs pending

How real-time cosmology can distinguish between different anisotropic models

Luca Amendola, Ole Eggers Bjaelde, Wessel Valkenburg, Yvonne Y. Y. Wong

arxiv:1307.2377 v2 · 2013-07-09 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PRCBDT4IYHMC6NM6TCNFMVUF6}

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	2026-05-18T01:48:58.355138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbe2208e7c460ec179acf4c4d2b2b42f940865172bc288d57c7282f1a42c15e4

Aliases

arxiv: 1307.2377 · arxiv_version: 1307.2377v2 · doi: 10.48550/arxiv.1307.2377 · pith_short_12: 7PRCBDT4IYHM · pith_short_16: 7PRCBDT4IYHMC6NM · pith_short_8: 7PRCBDT4

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/7PRCBDT4IYHMC6NM6TCNFMVUF6 \
  | 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: fbe2208e7c460ec179acf4c4d2b2b42f940865172bc288d57c7282f1a42c15e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b9a2a60892b0f87ab0e6b58ab2cc5aa615f59b31e647c1b6b84eba66803ba37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-09T09:21:48Z",
    "title_canon_sha256": "7679c88917108716594f4f960bcd4e3923c037492637ab60bc5f03f812326a97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2377",
    "kind": "arxiv",
    "version": 2
  }
}