Pith Number

pith:VHMXZYX4

pith:2009:VHMXZYX4TPFNA5LR4KBZMX5CBG

not attested not anchored not stored refs pending

Observation of Giant Positive Magnetoresistance in a Cooper Pair Insulator

Aijun Yin, H. Q. Nguyen, J. M. Valles Jr, J. M. Xu, J. Shainline, M. D. Stewart Jr., S. M. Hollen

arxiv:0907.4120 v2 · 2009-07-23 · cond-mat.supr-con · cond-mat.dis-nn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHMXZYX4TPFNA5LR4KBZMX5CBG}

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	2026-05-18T02:12:54.206102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9d97ce2fc9bcad07571e283965fa209ba8433071dcfa2c2176482e72f709565

Aliases

arxiv: 0907.4120 · arxiv_version: 0907.4120v2 · doi: 10.48550/arxiv.0907.4120 · pith_short_12: VHMXZYX4TPFN · pith_short_16: VHMXZYX4TPFNA5LR · pith_short_8: VHMXZYX4

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/VHMXZYX4TPFNA5LR4KBZMX5CBG \
  | 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: a9d97ce2fc9bcad07571e283965fa209ba8433071dcfa2c2176482e72f709565

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4c23554afa28924b18e051c0aafa8e4f9d964cf7adadf7e39c38c467854cea3",
    "cross_cats_sorted": [
      "cond-mat.dis-nn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-07-23T16:57:54Z",
    "title_canon_sha256": "62b2c03eb7c7a21f5a6a9dcf6f56bd9df524dad77458d053fa61021ed35d2be3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4120",
    "kind": "arxiv",
    "version": 2
  }
}