Pith Number

pith:ZY7HI5GX

pith:2003:ZY7HI5GX5NUWO2D3DKANRSY2IP

not attested not anchored not stored refs pending

Atomic and Molecular Absorption at High Redshift

J. K. Webb, M. T. Murphy, S. J. Curran, Y. M. Pihlstr\"om

arxiv:astro-ph/0310672 v2 · 2003-10-23 · 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{ZY7HI5GX5NUWO2D3DKANRSY2IP}

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	2026-05-18T01:09:03.409400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce3e7474d7eb6967687b1a80d8cb1a43db9b07de508cf08987a81301b6b5d9a7

Aliases

arxiv: astro-ph/0310672 · arxiv_version: astro-ph/0310672v2 · doi: 10.48550/arxiv.astro-ph/0310672 · pith_short_12: ZY7HI5GX5NUW · pith_short_16: ZY7HI5GX5NUWO2D3 · pith_short_8: ZY7HI5GX

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/ZY7HI5GX5NUWO2D3DKANRSY2IP \
  | 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: ce3e7474d7eb6967687b1a80d8cb1a43db9b07de508cf08987a81301b6b5d9a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aabf7b03e14182116788fe8c298be917d3d7c58dfcbc099641c954583e1aed1a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-23T00:59:37Z",
    "title_canon_sha256": "8b4211c54bdac4db90ee9cd317d5a2941a1ea23ef05fad0c222a800fda543515"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310672",
    "kind": "arxiv",
    "version": 2
  }
}