Pith Number

pith:ULPZ2YNJ

pith:2010:ULPZ2YNJ6775QXQ6J2FHAFYOTE

not attested not anchored not stored refs pending

Ionized gas, molecules, and dust in Sh2-132

C.E. Cappa, J. Vasquez, N.U. Duronea, S. Pineault

arxiv:1002.4612 v1 · 2010-02-24 · 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{ULPZ2YNJ6775QXQ6J2FHAFYOTE}

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	2026-05-18T02:08:57.171847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2df9d61a9f7ffd85e1e4e8a70170e991431779eb067f7d3469905bf245b645a

Aliases

arxiv: 1002.4612 · arxiv_version: 1002.4612v1 · doi: 10.48550/arxiv.1002.4612 · pith_short_12: ULPZ2YNJ6775 · pith_short_16: ULPZ2YNJ6775QXQ6 · pith_short_8: ULPZ2YNJ

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/ULPZ2YNJ6775QXQ6J2FHAFYOTE \
  | 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: a2df9d61a9f7ffd85e1e4e8a70170e991431779eb067f7d3469905bf245b645a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fa8b538a2bef48c2690084a414e9a556bf69dcb39bb5f85963ab23fa8e6a83d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-02-24T19:29:03Z",
    "title_canon_sha256": "8b6321bd015c2600de2a981e8a5465eff23df708bd2c405b96e1c378de42f2d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4612",
    "kind": "arxiv",
    "version": 1
  }
}