Pith Number

pith:2ZXYVFLP

pith:2008:2ZXYVFLP5L7TOYRQ6VUQUNT3PZ

not attested not anchored not stored refs pending

High-Temperature Superconductivity in Eu0.5K0.5Fe2As2

C. Geibel, Deepa Kasinathan, Helge Rosner, H. S. Jeevan, P. Gegenwart, Z. Hossain

arxiv:0807.2530 v2 · 2008-07-16 · cond-mat.supr-con · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZXYVFLP5L7TOYRQ6VUQUNT3PZ}

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	2026-07-04T17:11:49.914993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d66f8a956feaff376230f5690a367b7e79cf9ba46a08bf9fc21d8eeee33d7777

Aliases

arxiv: 0807.2530 · arxiv_version: 0807.2530v2 · doi: 10.48550/arxiv.0807.2530 · pith_short_12: 2ZXYVFLP5L7T · pith_short_16: 2ZXYVFLP5L7TOYRQ · pith_short_8: 2ZXYVFLP

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/2ZXYVFLP5L7TOYRQ6VUQUNT3PZ \
  | 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: d66f8a956feaff376230f5690a367b7e79cf9ba46a08bf9fc21d8eeee33d7777

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57d9429384821a82b429574300ec8c67cc59488662ed24c083b723a62a525dea",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2008-07-16T19:00:59Z",
    "title_canon_sha256": "10b427172efbccdf9306bc95ed36c0c3e29dff2ed7282912e8a6ddc6f71f7cb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.2530",
    "kind": "arxiv",
    "version": 2
  }
}