Pith Number

pith:YGDZ3DEY

pith:2008:YGDZ3DEYNQVES5OES4W65TBETO

not attested not anchored not stored refs pending

Effects of Supernova Feedback on the Formation of Galaxies

Cecilia Scannapieco (1), Patricia B. Tissera (2), Simon D.M. White (1), Volker Springel (1) ((1) MPA-Garching; (2) IAFE-Buenos Aires)

arxiv:0808.2718 v2 · 2008-08-20 · 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{YGDZ3DEYNQVES5OES4W65TBETO}

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	2026-05-18T02:15:43.037688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1879d8c986c2a4975c4972deecc249b8c71657e7b4796b0fe2c5743d10b6692

Aliases

arxiv: 0808.2718 · arxiv_version: 0808.2718v2 · doi: 10.48550/arxiv.0808.2718 · pith_short_12: YGDZ3DEYNQVE · pith_short_16: YGDZ3DEYNQVES5OE · pith_short_8: YGDZ3DEY

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/YGDZ3DEYNQVES5OES4W65TBETO \
  | 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: c1879d8c986c2a4975c4972deecc249b8c71657e7b4796b0fe2c5743d10b6692

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1e94072be6128aa7c3ba4f96fee473c7a38354bfeea8e8d3e4f2475e72a5b56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-08-20T10:11:06Z",
    "title_canon_sha256": "f44b99f614651606014c73f291c27b7729c922755ef5c94cdfb7559eedd48590"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.2718",
    "kind": "arxiv",
    "version": 2
  }
}