Pith Number

pith:ZNYDIFV7

pith:2009:ZNYDIFV72PAJLVTFN7RSF7ZN2M

not attested not anchored not stored refs pending

High-Redshift Star-Forming Galaxies: Angular Momentum and Baryon Fraction, Turbulent Pressure Effects and the Origin of Turbulence

A. Burkert, A. Sternberg, D. Lutz, E. Hicks, G. Cresci, J. Sommer-Larsen, K. Shapiro, L. Tacconi, N. Bouche, N. Foerster-Schreiber, P. Buschkamp, R. Davies, R. Genzel, S. Genel, S. Khochfar, T. Naab

arxiv:0907.4777 v2 · 2009-07-27 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZNYDIFV72PAJLVTFN7RSF7ZN2M}

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	2026-05-18T02:12:47.335098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb703416bfd3c095d6656fe322ff2dd3364ccabae76cecb0764ea9cb4487f3d0

Aliases

arxiv: 0907.4777 · arxiv_version: 0907.4777v2 · doi: 10.48550/arxiv.0907.4777 · pith_short_12: ZNYDIFV72PAJ · pith_short_16: ZNYDIFV72PAJLVTF · pith_short_8: ZNYDIFV7

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/ZNYDIFV72PAJLVTFN7RSF7ZN2M \
  | 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: cb703416bfd3c095d6656fe322ff2dd3364ccabae76cecb0764ea9cb4487f3d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c5c2d287b464d0ae863d8237692f42b532c1bbf83d25930594f0f5233cc531b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-27T21:44:05Z",
    "title_canon_sha256": "463904578144104ef1e4c2c1a4e60a06bbd2edb091bc412392addfae9b2370cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4777",
    "kind": "arxiv",
    "version": 2
  }
}