Pith Number

pith:EB3MTCWP

pith:2012:EB3MTCWPJQRIDMQBNFOOOAXA7I

not attested not anchored not stored refs pending

Universal behavior of the upper critical field in iron based superconductors

H. Q. Yuan, J. L. Zhang, L. Jiao, Y. Chen

arxiv:1201.2548 v1 · 2012-01-12 · 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{EB3MTCWPJQRIDMQBNFOOOAXA7I}

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	2026-05-18T04:04:44.184830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2076c98acf4c2281b201695ce702e0fa12a71d34dda880667656c4c0ef851a1d

Aliases

arxiv: 1201.2548 · arxiv_version: 1201.2548v1 · doi: 10.48550/arxiv.1201.2548 · pith_short_12: EB3MTCWPJQRI · pith_short_16: EB3MTCWPJQRIDMQB · pith_short_8: EB3MTCWP

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/EB3MTCWPJQRIDMQBNFOOOAXA7I \
  | 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: 2076c98acf4c2281b201695ce702e0fa12a71d34dda880667656c4c0ef851a1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a283edfab48996e0bf241555ced4b1449f5579d08f1724968b8534e6dc72c44f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2012-01-12T12:40:47Z",
    "title_canon_sha256": "70c468de25e3b680ee058c4258d2fd7e8de1dc96d32165cdb8500447e555e734"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2548",
    "kind": "arxiv",
    "version": 1
  }
}