Pith Number

pith:XA4HCJYB

pith:2010:XA4HCJYBO75DYFXJEVNNUIPMNT

not attested not anchored not stored refs pending

Galaxy Counterparts of metal-rich Damped Lyman-alpha Absorbers - I: The case of the z=2.35 DLA towards Q2222-0946

A. K. Durgapal, B. Gullberg, C. Ledoux, G. Ostlin, J. Maund, J. P. U. Fynbo, L. Kaper, M. L. Strandet, P. Goldoni, P. Laursen, P. M{\o}ller, P. M. Vreeswijk, P. Noterdaeme, S. Toft, T. Zafar

arxiv:1002.4626 v2 · 2010-02-24 · 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{XA4HCJYBO75DYFXJEVNNUIPMNT}

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	2026-05-18T04:19:12.436864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b83871270177fa3c16e9255ada21ec6cce94a4565c4b8349e3f303223148c57d

Aliases

arxiv: 1002.4626 · arxiv_version: 1002.4626v2 · doi: 10.48550/arxiv.1002.4626 · pith_short_12: XA4HCJYBO75D · pith_short_16: XA4HCJYBO75DYFXJ · pith_short_8: XA4HCJYB

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/XA4HCJYBO75DYFXJEVNNUIPMNT \
  | 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: b83871270177fa3c16e9255ada21ec6cce94a4565c4b8349e3f303223148c57d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "725cf0027bee1e91be63ca47b15b908243c9209c2fe19397c1c7cc6fce21ff08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-24T21:03:57Z",
    "title_canon_sha256": "5caa84d5f43d3e2ce8178d444968b841f39d1a4075d62e129369ee2fa3b6427f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4626",
    "kind": "arxiv",
    "version": 2
  }
}