Pith Number

pith:AYIP4MSP

pith:2009:AYIP4MSP2AEVECLM6CU742Y7FQ

not attested not anchored not stored refs pending

Galaxies at Redshift ~0.5 Around Three Closely Spaced Quasar Sightlines

Allen Shone, Buell T. Jannuzi, Jill Bechtold, Neil H. M. Crighton, Robert A. Crain, Simon L. Morris, Tom Theuns

arxiv:0911.0368 v1 · 2009-11-02 · 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{AYIP4MSP2AEVECLM6CU742Y7FQ}

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	2026-05-18T02:11:00.485287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0610fe324fd00952096cf0a9fe6b1f2c21249e34709ed6dd20b83997d20bc78c

Aliases

arxiv: 0911.0368 · arxiv_version: 0911.0368v1 · doi: 10.48550/arxiv.0911.0368 · pith_short_12: AYIP4MSP2AEV · pith_short_16: AYIP4MSP2AEVECLM · pith_short_8: AYIP4MSP

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/AYIP4MSP2AEVECLM6CU742Y7FQ \
  | 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: 0610fe324fd00952096cf0a9fe6b1f2c21249e34709ed6dd20b83997d20bc78c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d21899b85ad2e9ee4e040dab2230b93914a0532a0d12e7b7bbbe1dae4c334f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-02T20:37:23Z",
    "title_canon_sha256": "261d8b81d16bc129ac59e5ba5d96e3d53c3741b86c9a6b165929ece7eb5fa226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0368",
    "kind": "arxiv",
    "version": 1
  }
}