Pith Number

pith:JKJ2DDVV

pith:2008:JKJ2DDVVRZD7BFOW5D642FH3NP

not attested not anchored not stored refs pending

Evidence for two-gap nodeless superconductivity in SmFeAsO$_{0.8}$F$_{0.2}$ from point-contact Andreev-reflection spectroscopy

D. Daghero, J. Karpinski, M. Tortello, N.D. Zhigadlo, R.S. Gonnelli, V.A. Stepanov

arxiv:0812.1141 v1 · 2008-12-05 · 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{JKJ2DDVVRZD7BFOW5D642FH3NP}

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	2026-05-18T04:11:08.648097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a93a18eb58e47f095d6e8fdcd14fb6bce6613ae01dccdfc2c92761d268004f8

Aliases

arxiv: 0812.1141 · arxiv_version: 0812.1141v1 · doi: 10.48550/arxiv.0812.1141 · pith_short_12: JKJ2DDVVRZD7 · pith_short_16: JKJ2DDVVRZD7BFOW · pith_short_8: JKJ2DDVV

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/JKJ2DDVVRZD7BFOW5D642FH3NP \
  | 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: 4a93a18eb58e47f095d6e8fdcd14fb6bce6613ae01dccdfc2c92761d268004f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74a499ad67c17c9607a48f4a7932feb31f6472254c0a784f5635b5dc5e633bd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2008-12-05T13:57:23Z",
    "title_canon_sha256": "e53d0f50eceee5ee254dcf1a6bbd56dfaff065170ee99ca72ad6dc6a5e974a70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.1141",
    "kind": "arxiv",
    "version": 1
  }
}