Pith Number

pith:CZBPH7A4

pith:2009:CZBPH7A4C5C3YRHNWRVQQR6NFB

not attested not anchored not stored refs pending

Ram pressure stripping of halo gas in disk galaxies: Implications on galactic star formation in different environments

Kenji Bekki

arxiv:0907.4409 v1 · 2009-07-25 · 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{CZBPH7A4C5C3YRHNWRVQQR6NFB}

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	2026-05-18T02:12:53.659044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1642f3fc1c1745bc44edb46b0847cd286181ef323ff70f85bc343107eed9bdc1

Aliases

arxiv: 0907.4409 · arxiv_version: 0907.4409v1 · doi: 10.48550/arxiv.0907.4409 · pith_short_12: CZBPH7A4C5C3 · pith_short_16: CZBPH7A4C5C3YRHN · pith_short_8: CZBPH7A4

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/CZBPH7A4C5C3YRHNWRVQQR6NFB \
  | 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: 1642f3fc1c1745bc44edb46b0847cd286181ef323ff70f85bc343107eed9bdc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3c55f95d5ad7f10e5e4c705b83df9963b345dc2a0dba17bffbeff21cb4acde4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-25T08:15:56Z",
    "title_canon_sha256": "a102425c680623c50dfd4fa2eba071fedfa3911546207f8bab47b92a9f033dec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4409",
    "kind": "arxiv",
    "version": 1
  }
}