Pith Number

pith:2KB72N5P

pith:2010:2KB72N5PNRTIERLCLAPL3H6WWI

not attested not anchored not stored refs pending

Galactic outflows and the kinematics of damped Lyman alpha absorbers

Benjamin D. Oppenheimer (Leiden), Du\v{s}an Kere\v{s} (Berkeley), Mark Fardal (UMass), Neal Katz (UMass), Romeel Dav\'e (Arizona), Sungryong Hong (UMass)

arxiv:1008.4242 v2 · 2010-08-25 · 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{2KB72N5PNRTIERLCLAPL3H6WWI}

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	2026-05-18T04:41:44.665746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d283fd37af6c66824562581ebd9fd6b23633db3320ffbad4d09f7653629cb263

Aliases

arxiv: 1008.4242 · arxiv_version: 1008.4242v2 · doi: 10.48550/arxiv.1008.4242 · pith_short_12: 2KB72N5PNRTI · pith_short_16: 2KB72N5PNRTIERLC · pith_short_8: 2KB72N5P

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/2KB72N5PNRTIERLCLAPL3H6WWI \
  | 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: d283fd37af6c66824562581ebd9fd6b23633db3320ffbad4d09f7653629cb263

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0559901d46d00066b942f99c732f2adcc1cd40fe2d805fce3601d8578b5e4ce1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-25T10:06:46Z",
    "title_canon_sha256": "5a8e0d647ffe20726df09f45b15d6cd1bce469e281fb1a8b363073044ad8a94f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4242",
    "kind": "arxiv",
    "version": 2
  }
}