pith. sign in
Pith Number

pith:67FNFCMV

pith:2014:67FNFCMVNYEKHG25QAZDWVBUKM
not attested not anchored not stored refs pending

Tracing CNO exposed layers in the Algol-type binary system u Her

A. Dervisoglu, J. Southworth, K. Pavlovski, V. Kolbas

arxiv:1408.2681 v1 · 2014-08-12 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{67FNFCMVNYEKHG25QAZDWVBUKM}

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 2026-05-18T01:42:21.450872Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f7cad289956e08a39b5d80323b5434530e7ed65202d847d1e06af7a10c4e4ec3

Aliases

arxiv: 1408.2681 · arxiv_version: 1408.2681v1 · doi: 10.48550/arxiv.1408.2681 · pith_short_12: 67FNFCMVNYEK · pith_short_16: 67FNFCMVNYEKHG25 · pith_short_8: 67FNFCMV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/67FNFCMVNYEKHG25QAZDWVBUKM \
  | 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: f7cad289956e08a39b5d80323b5434530e7ed65202d847d1e06af7a10c4e4ec3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1c1d5b1cdfe4b04fd35a221df3735bb958f06d72e50b991dd1477133981afc25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-08-12T09:51:25Z",
    "title_canon_sha256": "1629c17c0fdb7c80c6ea8ab70245985bde9fc5fa23a593d2db5c30db990ef469"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2681",
    "kind": "arxiv",
    "version": 1
  }
}