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Pith Number

pith:4GYEXK5R

pith:2015:4GYEXK5RK5CURC2ATRMDQYUW67
not attested not anchored not stored refs pending

Unusual temperature evolution of superconductivity in LiFeAs

B. B\"uchner, C. Hess, D. Baumann, H.-J. Grafe, P. K. Nag, R. Beck, R. Schlegel, S. Wurmehl

arxiv:1509.03431 v1 · 2015-09-11 · cond-mat.supr-con

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4GYEXK5RK5CURC2ATRMDQYUW67}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T01:12:25.202002Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e1b04babb15745488b409c58386296f7fa1fb1b5c6848dd80d5a148e7fa77639

Aliases

arxiv: 1509.03431 · arxiv_version: 1509.03431v1 · doi: 10.48550/arxiv.1509.03431 · pith_short_12: 4GYEXK5RK5CU · pith_short_16: 4GYEXK5RK5CURC2A · pith_short_8: 4GYEXK5R
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4GYEXK5RK5CURC2ATRMDQYUW67 \
  | 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: e1b04babb15745488b409c58386296f7fa1fb1b5c6848dd80d5a148e7fa77639
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "09b1fabef76a2495ebac3d9e5d3e8841347f57c7a90d392accf521e29bfe76a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2015-09-11T09:13:16Z",
    "title_canon_sha256": "a32b1e2346ee6473a9a943ee91cad8bbec29b35c3bb4b8bc6a3cb6d4c3f5b451"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03431",
    "kind": "arxiv",
    "version": 1
  }
}