Pith Number

pith:GHNAO4XP

pith:2006:GHNAO4XPF5VZMN6X4NO2KFX3NW

not attested not anchored not stored refs pending

Global Modeling of Spur Formation in Spiral Galaxies

Eve C. Ostriker (Univ. of Maryland), Rahul Shetty

arxiv:astro-ph/0605142 v1 · 2006-05-04 · 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{GHNAO4XPF5VZMN6X4NO2KFX3NW}

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	2026-05-18T04:29:04.719164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31da0772ef2f6b9637d7e35da516fb6d8bb3b67669ec73a22ddf4fe782b243c4

Aliases

arxiv: astro-ph/0605142 · arxiv_version: astro-ph/0605142v1 · doi: 10.48550/arxiv.astro-ph/0605142 · pith_short_12: GHNAO4XPF5VZ · pith_short_16: GHNAO4XPF5VZMN6X · pith_short_8: GHNAO4XP

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/GHNAO4XPF5VZMN6X4NO2KFX3NW \
  | 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: 31da0772ef2f6b9637d7e35da516fb6d8bb3b67669ec73a22ddf4fe782b243c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35709b6f0ed44b3ac4e7615f4bd42a025f8435826657b22ac9de7de249a89b3c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-05-04T23:12:19Z",
    "title_canon_sha256": "6d34c83ec5d607f01ba88e981b4e100e620b9f5179f2674b153c098db69307c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0605142",
    "kind": "arxiv",
    "version": 1
  }
}