Pith Number

pith:HGUG35G2

pith:2010:HGUG35G22NZGERVLDTKU6ACAJX

not attested not anchored not stored refs pending

HD molecules at high redshift: The absorption system at z=2.3377 towards Q 1232+082

A.V. Ivanchik, C. Ledoux, D.A. Varshalovich, P. Noterdaeme, P. Petitjean, R. Srianand, S.A. Balashev

arxiv:1002.2107 v1 · 2010-02-10 · 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{HGUG35G22NZGERVLDTKU6ACAJX}

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	2026-07-04T17:28:04.372547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39a86df4dad3726246ab1cd54f00404dc71a4c35260efdea37ede4007995a91d

Aliases

arxiv: 1002.2107 · arxiv_version: 1002.2107v1 · doi: 10.48550/arxiv.1002.2107 · pith_short_12: HGUG35G22NZG · pith_short_16: HGUG35G22NZGERVL · pith_short_8: HGUG35G2

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/HGUG35G22NZGERVLDTKU6ACAJX \
  | 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: 39a86df4dad3726246ab1cd54f00404dc71a4c35260efdea37ede4007995a91d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d61a31a3385d63323835f73ed59cdcc7bc1eed477a80b3c4e9aad57e649adeb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-10T15:35:46Z",
    "title_canon_sha256": "f1cb18c4ddb808bef5ca6c47ed1fd19b15a53bb531192916520a3279e8061c35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2107",
    "kind": "arxiv",
    "version": 1
  }
}