Pith Number

pith:ZKFASYQW

pith:2011:ZKFASYQWJTQ2WB322QIUUU2CXG

not attested not anchored not stored refs pending

Kinematic properties of the field elliptical NGC 7507

A. J. Romanowsky, L. P. Bassino, R. Salinas, T. Richtler, Y. Schuberth

arxiv:1111.1581 v2 · 2011-11-07 · 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{ZKFASYQWJTQ2WB322QIUUU2CXG}

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	2026-05-18T01:59:44.539739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca8a0962164ce1ab077ad4114a5342b9a827f6cdfa418600346ad9a9a036f6f5

Aliases

arxiv: 1111.1581 · arxiv_version: 1111.1581v2 · doi: 10.48550/arxiv.1111.1581 · pith_short_12: ZKFASYQWJTQ2 · pith_short_16: ZKFASYQWJTQ2WB32 · pith_short_8: ZKFASYQW

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/ZKFASYQWJTQ2WB322QIUUU2CXG \
  | 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: ca8a0962164ce1ab077ad4114a5342b9a827f6cdfa418600346ad9a9a036f6f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a95fd75132f3ea266220d3707c68d51ad89706f2c6b09a01deced575a08610e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-07T14:01:34Z",
    "title_canon_sha256": "bdeedffdb851b112f1ab29725ceb6296bed29e50a47c2b8399d65d2744fb185b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1581",
    "kind": "arxiv",
    "version": 2
  }
}