Pith Number

pith:7NJSMIMR

pith:2006:7NJSMIMRF7AFQWNEUNZEAESH22

not attested not anchored not stored refs pending

Cosmological puzzle resolved by stellar feedback in high redshift galaxies

H. M. P. Couchman, James Wadsley, Sergey Mashchenko

arxiv:astro-ph/0605672 v1 · 2006-05-26 · 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{7NJSMIMRF7AFQWNEUNZEAESH22}

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	2026-07-04T16:58:48.057792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb532621912fc05859a4a372401247d6b9cb44ce6d8c433ad555b32819a03bf6

Aliases

arxiv: astro-ph/0605672 · arxiv_version: astro-ph/0605672v1 · doi: 10.48550/arxiv.astro-ph/0605672 · pith_short_12: 7NJSMIMRF7AF · pith_short_16: 7NJSMIMRF7AFQWNE · pith_short_8: 7NJSMIMR

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/7NJSMIMRF7AFQWNEUNZEAESH22 \
  | 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: fb532621912fc05859a4a372401247d6b9cb44ce6d8c433ad555b32819a03bf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1cbd0963a9898de9fd8a388891f1fa12c557cef6c7e6d63112235685a24179a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-05-26T17:19:44Z",
    "title_canon_sha256": "c6d65ead1a23e140237504505d08805896c823e874c6d4220e971a1f7ce9853b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0605672",
    "kind": "arxiv",
    "version": 1
  }
}