Pith Number

pith:X5O7GMAS

pith:2009:X5O7GMASJS4K3CWN4IQMY6NFWS

not attested not anchored not stored refs pending

Molecular lines studies at redshift greater than 1

Francoise Combes (LERMA, Obs-Paris)

arxiv:0909.2756 v1 · 2009-09-15 · 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{X5O7GMASJS4K3CWN4IQMY6NFWS}

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	2026-05-18T02:11:47.799455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf5df330124cb8ad8acde220cc79a5b484876c4a4eed646139bb2dc58446c9c0

Aliases

arxiv: 0909.2756 · arxiv_version: 0909.2756v1 · doi: 10.48550/arxiv.0909.2756 · pith_short_12: X5O7GMASJS4K · pith_short_16: X5O7GMASJS4K3CWN · pith_short_8: X5O7GMAS

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/X5O7GMASJS4K3CWN4IQMY6NFWS \
  | 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: bf5df330124cb8ad8acde220cc79a5b484876c4a4eed646139bb2dc58446c9c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54a9846c9c71713dc321603784eb38e32c71654a5b19dec10d14d7699fe86485",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-15T09:47:38Z",
    "title_canon_sha256": "fb02c1438a2953295b5556c48d68f32cf17f2f665c5acb796462ae6b75aa71dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2756",
    "kind": "arxiv",
    "version": 1
  }
}