Pith Number

pith:UMJAEUGD

pith:2009:UMJAEUGDLP7FNUX42R4ISGKYHW

not attested not anchored not stored refs pending

Gravity-driven Lyman-alpha blobs from cold streams into galaxies

((1) HU Jerusalem, (2) Tel Aviv University, (3) University of Z\"urich, (4) UCSC), A. Dekel (1), A. Sternberg (2), D. Ceverino (1), J. R. Primack (4), R. Teyssier (3), Tobias Goerdt (1)

arxiv:0911.5566 v2 · 2009-11-30 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UMJAEUGDLP7FNUX42R4ISGKYHW}

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	2026-05-18T04:25:01.715720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3120250c35bfe56d2fcd4788919583dbfc28d332dce636affcabd5d0cda4101

Aliases

arxiv: 0911.5566 · arxiv_version: 0911.5566v2 · doi: 10.48550/arxiv.0911.5566 · pith_short_12: UMJAEUGDLP7F · pith_short_16: UMJAEUGDLP7FNUX4 · pith_short_8: UMJAEUGD

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/UMJAEUGDLP7FNUX42R4ISGKYHW \
  | 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: a3120250c35bfe56d2fcd4788919583dbfc28d332dce636affcabd5d0cda4101

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e14725257da437e73f017711f86aaf5a51d215093dcb25c13596762464faf6c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-30T08:02:13Z",
    "title_canon_sha256": "904af602328762c9b1512f7cf4d28e7fe464d84daf9de96e10d5a114801c8179"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.5566",
    "kind": "arxiv",
    "version": 2
  }
}