Pith Number

pith:DA7MWQDC

pith:2005:DA7MWQDCOMLWVVA4XLFQM3E4Y6

not attested not anchored not stored refs pending

Probing 3-D matter distribution at z~2 with QSO multiple lines of sight

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

arxiv:astro-ph/0506195 v1 · 2005-06-09 · 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{DA7MWQDCOMLWVVA4XLFQM3E4Y6}

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	2026-07-04T16:52:31.403009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

183ecb406273176ad41cbacb066c9cc7aec50e696a448fd1fa186f79a1efc946

Aliases

arxiv: astro-ph/0506195 · arxiv_version: astro-ph/0506195v1 · doi: 10.48550/arxiv.astro-ph/0506195 · pith_short_12: DA7MWQDCOMLW · pith_short_16: DA7MWQDCOMLWVVA4 · pith_short_8: DA7MWQDC

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/DA7MWQDCOMLWVVA4XLFQM3E4Y6 \
  | 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: 183ecb406273176ad41cbacb066c9cc7aec50e696a448fd1fa186f79a1efc946

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4292d4bd2e2b0c4b12b15c4bbf096237cc01c841d3d1a1c7ca634cc96d6c89c6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-06-09T09:31:29Z",
    "title_canon_sha256": "ad6bdc8fd8914c38b08c486d59914e2bbb5197fb41e92be4f2be26dfbcbe99e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0506195",
    "kind": "arxiv",
    "version": 1
  }
}