Pith Number

pith:BPKIDGXI

pith:2015:BPKIDGXIV27VEPSMX4YMQM4Z7N

not attested not anchored not stored refs pending

Spectral Properties of Galaxies in Void Regions

Anca Constantin, Chenxu Liu, Danny Pan, Fiona Hoyle, Lei Hao, Micheal S. Vogeley

arxiv:1509.04430 v1 · 2015-09-15 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPKIDGXIV27VEPSMX4YMQM4Z7N}

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	2026-05-18T01:32:20.627007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bd4819ae8aebf523e4cbf30c83399fb6ccd08f6c3b90fd7a2a005dc48fc1679

Aliases

arxiv: 1509.04430 · arxiv_version: 1509.04430v1 · doi: 10.48550/arxiv.1509.04430 · pith_short_12: BPKIDGXIV27V · pith_short_16: BPKIDGXIV27VEPSM · pith_short_8: BPKIDGXI

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/BPKIDGXIV27VEPSMX4YMQM4Z7N \
  | 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: 0bd4819ae8aebf523e4cbf30c83399fb6ccd08f6c3b90fd7a2a005dc48fc1679

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "253bd93ff7366219254201afe3ad44c108c554777834f91ebe47bb86ce9e7820",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-15T07:51:32Z",
    "title_canon_sha256": "b863fa8afa1210d493beae773909f42f17d75d0722bcfca579f00ead38f0cf7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04430",
    "kind": "arxiv",
    "version": 1
  }
}