Pith Number

pith:3L6TL63C

pith:2013:3L6TL63CWFRYUJSSMCKTVVCVGE

not attested not anchored not stored refs pending

Comprehensive Study of a z = 2.35 DLA Galaxy: Mass, Metallicity, Age, Morphology and SFR from HST and VLT

Anna Gallazzi, Cedric Ledoux, Celine Peroux, Jens-Kristian Krogager, Johan P. U. Fynbo, Lise Christensen, Marianne Vestergaard, Max Pettini, Palle M{\o}ller, Pasquier Noterdaeme, Peter Laursen

arxiv:1304.4231 v2 · 2013-04-15 · 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{3L6TL63CWFRYUJSSMCKTVVCVGE}

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	2026-05-18T03:13:23.442196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dafd35fb62b1638a265260953ad455313f6740a10d13173e86998647e1a0e5d2

Aliases

arxiv: 1304.4231 · arxiv_version: 1304.4231v2 · doi: 10.48550/arxiv.1304.4231 · pith_short_12: 3L6TL63CWFRY · pith_short_16: 3L6TL63CWFRYUJSS · pith_short_8: 3L6TL63C

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/3L6TL63CWFRYUJSSMCKTVVCVGE \
  | 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: dafd35fb62b1638a265260953ad455313f6740a10d13173e86998647e1a0e5d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbcfb7dcc1f8d4bf70659d301973614204ca56e00d0a486a024301e8f4bef8c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-15T20:00:02Z",
    "title_canon_sha256": "4bd291006e4b397d00adfe8b89737fcfe57dd7a60bd4766687f4b0175a2db7b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4231",
    "kind": "arxiv",
    "version": 2
  }
}