Pith Number

pith:IXW6J2SM

pith:2015:IXW6J2SMF2H43PIMV7QC4ZEKDL

not attested not anchored not stored refs pending

The environment of barred galaxies revisited

Bernardo Cervantes Sodi, Changbom Park, Cheng Li, Lixin Wang

arxiv:1507.07954 v2 · 2015-07-28 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IXW6J2SMF2H43PIMV7QC4ZEKDL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:11:51.489051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45ede4ea4c2e8fcdbd0cafe02e648a1add848437757d3e21384b1ad18509bfc0

Aliases

arxiv: 1507.07954 · arxiv_version: 1507.07954v2 · doi: 10.48550/arxiv.1507.07954 · pith_short_12: IXW6J2SMF2H4 · pith_short_16: IXW6J2SMF2H43PIM · pith_short_8: IXW6J2SM

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/IXW6J2SMF2H43PIMV7QC4ZEKDL \
  | 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: 45ede4ea4c2e8fcdbd0cafe02e648a1add848437757d3e21384b1ad18509bfc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eb3f8336fce09689fad29a2e165798f8ce9ac6873b4602d22e8d29b5c304e7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-07-28T20:54:26Z",
    "title_canon_sha256": "89189d4db9b008c549c300f0c151bfa3d722d72f612a0b7a389389215b4a654b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07954",
    "kind": "arxiv",
    "version": 2
  }
}