Pith Number

pith:2ZQ6XRN2

pith:2009:2ZQ6XRN2PMV6K4NL5T5BU3E7OH

not attested not anchored not stored refs pending

Superconductivity in SmFe1-xCoxAsO (x = 0.0 to 0.30)

Anand Pal, Arpita Vajpayee, Australia), E. Takayama-Muromachi (NIMS, H. Kishan (NPL, India), (Jamia University, Japan), K. Yamaura, Monika Mudgel, Mushahid Husain, New Delhi, R. Zeng (ISEM, S.Yu, UOW, V.P.S. Awana

arxiv:0912.0999 v2 · 2009-12-05 · cond-mat.supr-con · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZQ6XRN2PMV6K4NL5T5BU3E7OH}

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	2026-05-18T02:10:26.290919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d661ebc5ba7b2be571abecfa1a6c9f71e0440f4c896194c2fb010ed75db50ca3

Aliases

arxiv: 0912.0999 · arxiv_version: 0912.0999v2 · doi: 10.48550/arxiv.0912.0999 · pith_short_12: 2ZQ6XRN2PMV6 · pith_short_16: 2ZQ6XRN2PMV6K4NL · pith_short_8: 2ZQ6XRN2

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/2ZQ6XRN2PMV6K4NL5T5BU3E7OH \
  | 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: d661ebc5ba7b2be571abecfa1a6c9f71e0440f4c896194c2fb010ed75db50ca3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8545e423e687044c0d6043278ff5bc0f1525623d3e6d94a4a773f6f6f02633b4",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-12-05T10:46:22Z",
    "title_canon_sha256": "7e473d0b74a3dac9bc2932eeef5586b2f8c8882ea9ad2f28c3a5d3ab5c8b2ab6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0999",
    "kind": "arxiv",
    "version": 2
  }
}