Pith Number

pith:YXB347JQ

pith:2015:YXB347JQ75AXYTSN2XM2VYMFNL

not attested not anchored not stored refs pending

Red galaxies with pseudo-bulges in the SDSS: closer to disk galaxies or to classical bulges?

B. Ribeiro, C. Lobo, J. M. Gomes, P. Papaderos, S. Ant\'on

arxiv:1512.03072 v1 · 2015-12-09 · 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{YXB347JQ75AXYTSN2XM2VYMFNL}

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	2026-05-18T00:16:09.857216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5c3be7d30ff417c4e4dd5d9aae1856add81c332c19d362d1cc1fb0d0b64bb89

Aliases

arxiv: 1512.03072 · arxiv_version: 1512.03072v1 · doi: 10.48550/arxiv.1512.03072 · pith_short_12: YXB347JQ75AX · pith_short_16: YXB347JQ75AXYTSN · pith_short_8: YXB347JQ

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/YXB347JQ75AXYTSN2XM2VYMFNL \
  | 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: c5c3be7d30ff417c4e4dd5d9aae1856add81c332c19d362d1cc1fb0d0b64bb89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "940ed77a26043423e10c12f667fc3d1db44ce98430ded46592484000c44e77ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-09T21:01:21Z",
    "title_canon_sha256": "920a6b4c02ec24f0f57aeb150f7e8ee4dfcef33e2cad192dc87bacd558f6f814"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03072",
    "kind": "arxiv",
    "version": 1
  }
}