pith. sign in
Pith Number

pith:UTXBXNEN

pith:2014:UTXBXNENS2BK2G2B5WRQY5KTOG
not attested not anchored not stored refs pending

PAH Formation in O-rich Planetary Nebulae

A. A. Zijlstra, D. Jones, E. Lagadec, K. Gesicki, L. Guzman-Ramirez

arxiv:1403.1856 v1 · 2014-03-07 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UTXBXNENS2BK2G2B5WRQY5KTOG}

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 2026-05-18T01:44:12.296393Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a4ee1bb48d9682ad1b41eda30c75537192676366af4f75d341cc5d6482cdae4a

Aliases

arxiv: 1403.1856 · arxiv_version: 1403.1856v1 · doi: 10.48550/arxiv.1403.1856 · pith_short_12: UTXBXNENS2BK · pith_short_16: UTXBXNENS2BK2G2B · pith_short_8: UTXBXNEN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UTXBXNENS2BK2G2B5WRQY5KTOG \
  | 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: a4ee1bb48d9682ad1b41eda30c75537192676366af4f75d341cc5d6482cdae4a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e7058c93a4e1506d2a2af710cd0402b4773cbdfd823742ed8eb136a472a8fca4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-03-07T19:47:49Z",
    "title_canon_sha256": "c5d813e2a57bec7c4f2639fb0a86f22937cce240d180017240cce8cd328f6c56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1856",
    "kind": "arxiv",
    "version": 1
  }
}