Pith Number

pith:CPITUKXR

pith:2012:CPITUKXR772LMZCG56LBMDKNOO

not attested not anchored not stored refs pending

UV Extinction Towards a Quiescent Molecular Cloud in the SMC

J. Ma\'iz Apell\'aniz, M. Rubio

arxiv:1201.6230 v1 · 2012-01-30 · 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{CPITUKXR772LMZCG56LBMDKNOO}

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	2026-05-18T01:58:38.137257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13d13a2af1fff4b66446ef96160d4d73b6a63dbde907436a43b3394c938de41c

Aliases

arxiv: 1201.6230 · arxiv_version: 1201.6230v1 · doi: 10.48550/arxiv.1201.6230 · pith_short_12: CPITUKXR772L · pith_short_16: CPITUKXR772LMZCG · pith_short_8: CPITUKXR

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/CPITUKXR772LMZCG56LBMDKNOO \
  | 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: 13d13a2af1fff4b66446ef96160d4d73b6a63dbde907436a43b3394c938de41c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21899299dcf024445e181ec8a11df63defbca00fba5bd86d99505e5659962f0c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-30T14:34:31Z",
    "title_canon_sha256": "1bbe94fbaf90b0d3d4428890ab836c52806a57cd86560246fd6573009ba9f8b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6230",
    "kind": "arxiv",
    "version": 1
  }
}