Pith Number

pith:YTMMG2KO

pith:2005:YTMMG2KOUQWRWNDXLPJKTOJNSP

not attested not anchored not stored refs pending

Nitrogen-deficient and iron-rich associated absorbers with oversolar metallicities towards the quasar HE0141-3932

C. Fechner, D. Reimers, E. Janknecht, I. I. Agafonova, S. A. Levshakov, S. Lopez

arxiv:astro-ph/0506446 v1 · 2005-06-20 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YTMMG2KOUQWRWNDXLPJKTOJNSP}

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	2026-07-04T16:52:35.220194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4d8c3694ea42d1b34775bd2a9b92d93ec84fcfaeb28cc953b58200d00ef73be

Aliases

arxiv: astro-ph/0506446 · arxiv_version: astro-ph/0506446v1 · doi: 10.48550/arxiv.astro-ph/0506446 · pith_short_12: YTMMG2KOUQWR · pith_short_16: YTMMG2KOUQWRWNDX · pith_short_8: YTMMG2KO

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/YTMMG2KOUQWRWNDXLPJKTOJNSP \
  | 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: c4d8c3694ea42d1b34775bd2a9b92d93ec84fcfaeb28cc953b58200d00ef73be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc5aaddf3fc69fd1205f3e0ddd3a27243e54b9af0d08ef92c57a618cccde26df",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-06-20T08:41:06Z",
    "title_canon_sha256": "e67e4d08fa7f11328eff36b7e55cf48ebc825f9d91322f2a7cc6e2007fa520cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0506446",
    "kind": "arxiv",
    "version": 1
  }
}