Pith Number

pith:4AB4C2PX

pith:2018:4AB4C2PX6Q67XY7VZDBHT74KD3

not attested not anchored not stored refs pending

Testing isotropy in the Universe using photometric and spectroscopic data from the SDSS

Biswajit Pandey, Rishi Khatri, Suman Sarkar

arxiv:1810.07410 v2 · 2018-10-17 · 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{4AB4C2PX6Q67XY7VZDBHT74KD3}

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

The angular scale of homogeneity in the Local Universe with the SDSS blue galaxies

Receipt and verification

First computed	2026-05-17T23:58:37.055430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e003c169f7f43dfbe3f5c8c279ff8a1efd87bdf8e9c36ab5be9f969e933acfa6

Aliases

arxiv: 1810.07410 · arxiv_version: 1810.07410v2 · doi: 10.48550/arxiv.1810.07410 · pith_short_12: 4AB4C2PX6Q67 · pith_short_16: 4AB4C2PX6Q67XY7V · pith_short_8: 4AB4C2PX

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/4AB4C2PX6Q67XY7VZDBHT74KD3 \
  | 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: e003c169f7f43dfbe3f5c8c279ff8a1efd87bdf8e9c36ab5be9f969e933acfa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ffc96cde242aba4cdc5520e1f97de5a83ef07e649ce967a388208ea3cb60c0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-10-17T07:28:33Z",
    "title_canon_sha256": "f3da2b135489ac69d7c0df89a90879f55d9adc87ac7a9e2d06a0d7f462eab722"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07410",
    "kind": "arxiv",
    "version": 2
  }
}