Pith Number

pith:EGHTIWFJ

pith:2013:EGHTIWFJS6WCAU64CMMSRNZE4E

not attested not anchored not stored refs pending

The upper critical field of NaFe$_{1-x}$Co$_x$As superconductors

F. R. Foronda, J. D. Wright, P. A. Goddard, S. Ghannadzadeh, S. J. Blundell, S. J. Clarke

arxiv:1312.3171 v1 · 2013-12-11 · cond-mat.supr-con

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGHTIWFJS6WCAU64CMMSRNZE4E}

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	2026-05-18T02:59:34.010736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

218f3458a997ac2053dc131928b724e10da87f431e237b5c64fb48ecd1895bd7

Aliases

arxiv: 1312.3171 · arxiv_version: 1312.3171v1 · doi: 10.48550/arxiv.1312.3171 · pith_short_12: EGHTIWFJS6WC · pith_short_16: EGHTIWFJS6WCAU64 · pith_short_8: EGHTIWFJ

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/EGHTIWFJS6WCAU64CMMSRNZE4E \
  | 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: 218f3458a997ac2053dc131928b724e10da87f431e237b5c64fb48ecd1895bd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f04cfc6e0b520eab59ef4220ea682c68d7eff2881408569b4047bd742e1912c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2013-12-11T14:06:58Z",
    "title_canon_sha256": "cd922e45ceb23aebb727560e94dcc91eda437c4d70115ac1d64717c4ef34b71a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3171",
    "kind": "arxiv",
    "version": 1
  }
}