pith. sign in
Pith Number

pith:Q6RNNKLT

pith:2013:Q6RNNKLTPYM7Q2SDNIBIIUVIOY
not attested not anchored not stored refs pending

Measuring Long-Lived ^{13}C-Singlet State Lifetimes at Natural Abundance

Kevin E Claytor, Thomas Theis, Warren Warren, Yesu Feng

arxiv:1309.7372 v2 · 2013-09-27 · physics.chem-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Q6RNNKLTPYM7Q2SDNIBIIUVIOY}

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 2026-05-18T02:58:56.786038Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

87a2d6a9737e19f86a436a028452a8762971cf58178917690b222f6353a8f4f0

Aliases

arxiv: 1309.7372 · arxiv_version: 1309.7372v2 · doi: 10.48550/arxiv.1309.7372 · pith_short_12: Q6RNNKLTPYM7 · pith_short_16: Q6RNNKLTPYM7Q2SD · pith_short_8: Q6RNNKLT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Q6RNNKLTPYM7Q2SDNIBIIUVIOY \
  | 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: 87a2d6a9737e19f86a436a028452a8762971cf58178917690b222f6353a8f4f0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d3213ff168adfb4f79c31eb491ab5f50ea9510e14ecefb11e6f4966743854c8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2013-09-27T21:16:04Z",
    "title_canon_sha256": "dbd928cd7ba06a62a4526783ac6a6b3f4b7587b9613f7650668cb6c9486516ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7372",
    "kind": "arxiv",
    "version": 2
  }
}