Pith Number

pith:PO3E3ESZ

pith:2013:PO3E3ESZFAGHU2JZWN5P2OLHF3

not attested not anchored not stored refs pending

Halpha3: an Halpha imaging survey of HI selected galaxies from ALFALFA. III. Nurture shapes up the Hubble sequence in the Great Wall

Alessandro Boselli, Giulia Savorgnan, Giuseppe Gavazzi, Hector Hernandez Toledo, Leonel Gutierrez, Martha P. Haynes, Massimo Dotti, Matteo Fossati, Michele Fumagalli, Riccardo Giovanelli

arxiv:1303.2374 v2 · 2013-03-10 · 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{PO3E3ESZFAGHU2JZWN5P2OLHF3}

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	2026-05-18T01:51:09.077752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bb64d9259280c7a6939b37afd39672eebab5b68f804d7ae5b0d122cc6e65634

Aliases

arxiv: 1303.2374 · arxiv_version: 1303.2374v2 · doi: 10.48550/arxiv.1303.2374 · pith_short_12: PO3E3ESZFAGH · pith_short_16: PO3E3ESZFAGHU2JZ · pith_short_8: PO3E3ESZ

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/PO3E3ESZFAGHU2JZWN5P2OLHF3 \
  | 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: 7bb64d9259280c7a6939b37afd39672eebab5b68f804d7ae5b0d122cc6e65634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95bba887b88adf2bddc4e3aaf100ec6ebaa157da7eda512d82ed624ad0f7161f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-10T20:41:13Z",
    "title_canon_sha256": "f3b71e609876f3f407758eca81fd2635cc6ba8283109a83df3e37ced7f7eea6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2374",
    "kind": "arxiv",
    "version": 2
  }
}