Pith Number

pith:X3ECT6RA

pith:2014:X3ECT6RA5WULKDZY5WOSYXT2OK

not attested not anchored not stored refs pending

Building Late-Type Spiral Galaxies by In-Situ and Ex-Situ Star Formation

Annalisa Pillepich, Lucio Mayer, Piero Madau

arxiv:1407.7855 v1 · 2014-07-29 · astro-ph.GA · 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{X3ECT6RA5WULKDZY5WOSYXT2OK}

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	2026-05-18T01:42:28.645266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bec829fa20eda8b50f38ed9d2c5e7a729658ca96f380666eb9f1670c0bddb07c

Aliases

arxiv: 1407.7855 · arxiv_version: 1407.7855v1 · doi: 10.48550/arxiv.1407.7855 · pith_short_12: X3ECT6RA5WUL · pith_short_16: X3ECT6RA5WULKDZY · pith_short_8: X3ECT6RA

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/X3ECT6RA5WULKDZY5WOSYXT2OK \
  | 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: bec829fa20eda8b50f38ed9d2c5e7a729658ca96f380666eb9f1670c0bddb07c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dff52d7facdfdaf3da8cf62278f9db15527adab59a295176a50c349e5dbf11c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-29T20:00:01Z",
    "title_canon_sha256": "6a5ece3c3696cbbd38a14dcea5dc675000ca6d2ebead04eae4d16a08df626329"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7855",
    "kind": "arxiv",
    "version": 1
  }
}