Pith Number

pith:O6YPO3JD

pith:2003:O6YPO3JDYALZBOZH5R6YH6IRBN

not attested not anchored not stored refs pending

Photoionization Feedback in Low--Mass Galaxies at High Redshift

David H. Weinberg (Ohio State University), Mark Dijkstra, Martin J. Rees (Cambridge University), Zoltan Haiman (Columbia University)

arxiv:astro-ph/0308042 v1 · 2003-08-04 · 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{O6YPO3JDYALZBOZH5R6YH6IRBN}

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	2026-07-04T15:20:11.671189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77b0f76d23c01790bb27ec7d83f9110b54ccaee1cb0891a7e146a5c16d3e33e3

Aliases

arxiv: astro-ph/0308042 · arxiv_version: astro-ph/0308042v1 · doi: 10.48550/arxiv.astro-ph/0308042 · pith_short_12: O6YPO3JDYALZ · pith_short_16: O6YPO3JDYALZBOZH · pith_short_8: O6YPO3JD

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/O6YPO3JDYALZBOZH5R6YH6IRBN \
  | 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: 77b0f76d23c01790bb27ec7d83f9110b54ccaee1cb0891a7e146a5c16d3e33e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c48f94ebc5e994c221bf27057179a536213557804c5b4cb1d2861de723d0e00f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-04T09:24:20Z",
    "title_canon_sha256": "1a411f61eb7a4cfa7faf4cd5525be90731ec055b2af77861cd5308586421cd10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308042",
    "kind": "arxiv",
    "version": 1
  }
}