Pith Number

pith:BE2HMGQY

pith:1999:BE2HMGQYQ6ZIYUULJTUBFSVTW2

not attested not anchored not stored refs pending

The Radiative Feedback of the First Cosmological Objects

Martin J. Rees (IoA), Tom Abel (NCSA/MPA), Zoltan Haiman (Fermilab)

arxiv:astro-ph/9903336 v1 · 1999-03-23 · 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{BE2HMGQYQ6ZIYUULJTUBFSVTW2}

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.

Cited by

2 papers in Pith

Introducing the Lumina project: large-volume radiation-hydrodynamic simulations of the epochs of hydrogen and helium reionization

Direct Collapse Black Hole Candidates from Decaying Dark Matter

Receipt and verification

First computed	2026-05-18T01:07:36.510541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0934761a1887b28c528b4ce812cab3b684b7398ce2a1a60e68a5928ff9d0f145

Aliases

arxiv: astro-ph/9903336 · arxiv_version: astro-ph/9903336v1 · doi: 10.48550/arxiv.astro-ph/9903336 · pith_short_12: BE2HMGQYQ6ZI · pith_short_16: BE2HMGQYQ6ZIYUUL · pith_short_8: BE2HMGQY

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/BE2HMGQYQ6ZIYUULJTUBFSVTW2 \
  | 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: 0934761a1887b28c528b4ce812cab3b684b7398ce2a1a60e68a5928ff9d0f145

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92df19bd140c027857e5af0aa051b59f2972d67d4dd5e754f06120ff1046156d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-03-23T01:46:27Z",
    "title_canon_sha256": "083c7a590d47dbfd8b437a4c059ea164481e0199a9d911f8ca7d7884bf9335dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9903336",
    "kind": "arxiv",
    "version": 1
  }
}