Pith Number

pith:SXSWDN2U

pith:2016:SXSWDN2UPKOX5F3DPNETURYTL5

not attested not anchored not stored refs pending

Stellar population constraints on the ages of galactic bars

Phil A. James, Susan M. Percival

arxiv:1601.04706 v1 · 2016-01-18 · 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{SXSWDN2UPKOX5F3DPNETURYTL5}

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	2026-05-18T01:21:25.247174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95e561b7547a9d7e97637b493a47135f736923239d3aa2fe8cf2e5b58d2c1114

Aliases

arxiv: 1601.04706 · arxiv_version: 1601.04706v1 · doi: 10.48550/arxiv.1601.04706 · pith_short_12: SXSWDN2UPKOX · pith_short_16: SXSWDN2UPKOX5F3D · pith_short_8: SXSWDN2U

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/SXSWDN2UPKOX5F3DPNETURYTL5 \
  | 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: 95e561b7547a9d7e97637b493a47135f736923239d3aa2fe8cf2e5b58d2c1114

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36225d23df3d6da8ed19a9bdf3ab7b51ba94402e19d3b3297c9b1804f4f4ffdb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-01-18T21:00:02Z",
    "title_canon_sha256": "f5aac9390acd61af307f4d0cd0e60711b52559ced30eef7ef3410c02d85c8c37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04706",
    "kind": "arxiv",
    "version": 1
  }
}