Pith Number

pith:VMDT7UXR

pith:2009:VMDT7UXRAEONY2YEPNCY5GCWDZ

not attested not anchored not stored refs pending

Optical and Raman spectroscopy studies on Fe-based superconductors

N. L. Wang, Q. M. Zhang, W. Z. Hu

arxiv:0902.0435 v1 · 2009-02-03 · 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{VMDT7UXRAEONY2YEPNCY5GCWDZ}

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	2026-05-18T02:14:54.530265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab073fd2f1011cdc6b047b458e98561e531981484ae7fdde363cffcbaf44d89c

Aliases

arxiv: 0902.0435 · arxiv_version: 0902.0435v1 · doi: 10.48550/arxiv.0902.0435 · pith_short_12: VMDT7UXRAEON · pith_short_16: VMDT7UXRAEONY2YE · pith_short_8: VMDT7UXR

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/VMDT7UXRAEONY2YEPNCY5GCWDZ \
  | 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: ab073fd2f1011cdc6b047b458e98561e531981484ae7fdde363cffcbaf44d89c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cf2da95f35a388670c45c0179008b7cbf761181d86c3904f4de73e4e60ba6dd",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-02-03T06:58:44Z",
    "title_canon_sha256": "8a444e03f6dc3fe33f23aff5589dc5098ce6292dd4a5e20ba0df801be95d1f5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0435",
    "kind": "arxiv",
    "version": 1
  }
}