Pith Number

pith:RGDXDND3

pith:2006:RGDXDND3E4I7NJ422CI2SQRXAN

not attested not anchored not stored refs pending

Tomography of the intergalactic medium with Ly-alpha forests in close QSO pairs

B. Boyle, F. Saitta, J. Maza, M. Viel, P. Outram, S. Bianchi, S. Cristiani, S. Lopez, V. D'Odorico

arxiv:astro-ph/0607672 v2 · 2006-07-31 · 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{RGDXDND3E4I7NJ422CI2SQRXAN}

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	2026-07-04T16:59:12.410170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

898771b47b2711f6a79ad091a9423703562e1c7d651fa7ae12b7e991d3c49a71

Aliases

arxiv: astro-ph/0607672 · arxiv_version: astro-ph/0607672v2 · doi: 10.48550/arxiv.astro-ph/0607672 · pith_short_12: RGDXDND3E4I7 · pith_short_16: RGDXDND3E4I7NJ42 · pith_short_8: RGDXDND3

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/RGDXDND3E4I7NJ422CI2SQRXAN \
  | 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: 898771b47b2711f6a79ad091a9423703562e1c7d651fa7ae12b7e991d3c49a71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b317f4b53fb33f7ddf35659527a50fd2dceb2212cd98acbb63dc620402b6c69d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-31T14:00:02Z",
    "title_canon_sha256": "89e1a26a6fc61455c1f715c0cc42aa168591dc579bf299b0e009f479c61ce0a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607672",
    "kind": "arxiv",
    "version": 2
  }
}