Pith Number

pith:CRIDWZUL

pith:2006:CRIDWZULUBF2MQCWGLOF5POGAO

not attested not anchored not stored refs pending

The Nearby Damped Lyman-alpha Absorber SBS 1543+593: A Large HI Envelope in a Gas-Rich Galaxy Group

D. V. Bowen, E. Brinks, J. L. Rosenberg, T. M. Tripp

arxiv:astro-ph/0604220 v1 · 2006-04-10 · 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{CRIDWZULUBF2MQCWGLOF5POGAO}

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	2026-07-04T15:25:45.971064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14503b668ba04ba6405632dc5ebdc603b98f66fe5a026ed37db47bdc64658bd6

Aliases

arxiv: astro-ph/0604220 · arxiv_version: astro-ph/0604220v1 · doi: 10.48550/arxiv.astro-ph/0604220 · pith_short_12: CRIDWZULUBF2 · pith_short_16: CRIDWZULUBF2MQCW · pith_short_8: CRIDWZUL

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/CRIDWZULUBF2MQCWGLOF5POGAO \
  | 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: 14503b668ba04ba6405632dc5ebdc603b98f66fe5a026ed37db47bdc64658bd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8a1dcb82cd53a647beac8cd735ca7f4adb7961d57c7ba1a78b80f31f3f9b99a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-04-10T20:40:37Z",
    "title_canon_sha256": "e0b88dfa273596e1fa36765181a3c65f50dcec8d153e60844c93df4731a5f59a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0604220",
    "kind": "arxiv",
    "version": 1
  }
}