Pith Number

pith:TENHWKJD

pith:2008:TENHWKJDTPKM3J7YBOGT5OZLNE

not attested not anchored not stored refs pending

Unconventional sign-reversing superconductivity in LaFeAsO_(1-x)F_x

D.J. Singh, I.I. Mazin, M.D. Johannes, M.H. Du

arxiv:0803.2740 v4 · 2008-03-19 · 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{TENHWKJDTPKM3J7YBOGT5OZLNE}

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	2026-05-18T02:16:00.087191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

991a7b29239bd4cda7f80b8d3ebb2b690a79d1fc84877de40d4b58a6acbf19ab

Aliases

arxiv: 0803.2740 · arxiv_version: 0803.2740v4 · doi: 10.48550/arxiv.0803.2740 · pith_short_12: TENHWKJDTPKM · pith_short_16: TENHWKJDTPKM3J7Y · pith_short_8: TENHWKJD

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/TENHWKJDTPKM3J7YBOGT5OZLNE \
  | 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: 991a7b29239bd4cda7f80b8d3ebb2b690a79d1fc84877de40d4b58a6acbf19ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a4defafaacda69f3cc22ee2d82399d8e05d01c6f3a05ea08ef52608af48ac2c",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2008-03-19T01:42:13Z",
    "title_canon_sha256": "8e802b296767588a0146a7c62cfe3a393c2ddc9a0646b6ea247153ab87112fce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.2740",
    "kind": "arxiv",
    "version": 4
  }
}