Pith Number

pith:4JZE7WMA

pith:2011:4JZE7WMAW7IFFEW2ASBAPVCGY2

not attested not anchored not stored refs pending

Two-dimensional H_alpha kinematics of bulgeless disk galaxies

C. Jakob Walcher, David Andersen, Hans-Walter Rix, Nadine Neumayer, Sebastian F. Sanchez, Torsten Boeker

arxiv:1101.5154 v1 · 2011-01-26 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4JZE7WMAW7IFFEW2ASBAPVCGY2}

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	2026-05-18T02:03:21.737822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2724fd980b7d05292da048207d446c68368121d5d60f665c0a4e9023eca3798

Aliases

arxiv: 1101.5154 · arxiv_version: 1101.5154v1 · doi: 10.48550/arxiv.1101.5154 · pith_short_12: 4JZE7WMAW7IF · pith_short_16: 4JZE7WMAW7IFFEW2 · pith_short_8: 4JZE7WMA

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/4JZE7WMAW7IFFEW2ASBAPVCGY2 \
  | 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: e2724fd980b7d05292da048207d446c68368121d5d60f665c0a4e9023eca3798

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "673bf5c38ec68ec776d4ccd00bfd67f07c1464ef8aa4b47e2352a246c5739c93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-26T21:00:01Z",
    "title_canon_sha256": "39c8ac4a8971a6ff452a9bcd36c56d7aa7e0f1c57deb1902648cc9b6553b49a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5154",
    "kind": "arxiv",
    "version": 1
  }
}