Pith Number

pith:XESETETZ

pith:2019:XESETETZ3IJYKJ73CBGHJQXQ54

not attested not anchored not stored refs pending

Experimental evidence of anomalously large superconducting gap on topological surface state of $\beta$-$\rm\mathbf{Bi_2Pd}$ film

C.-Y. Tang, D.-Y. Yan, F.-Z. Yang, H. Ding, H.-J. Liu, H. Li, H.-M. Weng, J.-Y. Guan, L.-Q. Zhou, L.-Y. Kong, T. Qian, Y.-B. Huang, Y.-G. Shi, Y.-G. Zhong, Y.-J. Sun

arxiv:1904.11638 v1 · 2019-04-26 · 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{XESETETZ3IJYKJ73CBGHJQXQ54}

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	2026-07-05T00:13:14.619013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b924499279da138527fb104c74c2f0ef2f6d83dae58a4c0f30c6f4ec2665d4d9

Aliases

arxiv: 1904.11638 · arxiv_version: 1904.11638v1 · doi: 10.48550/arxiv.1904.11638 · pith_short_12: XESETETZ3IJY · pith_short_16: XESETETZ3IJYKJ73 · pith_short_8: XESETETZ

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/XESETETZ3IJYKJ73CBGHJQXQ54 \
  | 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: b924499279da138527fb104c74c2f0ef2f6d83dae58a4c0f30c6f4ec2665d4d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab6bd35d1f9c2f773bbc76bc4db11dda03e566d9541d1c8fa899e503fba40b66",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2019-04-26T01:29:46Z",
    "title_canon_sha256": "7fa47640a6202e403d809c09f32e0ca2caa5979b4739e7cf3e4342e16c48f17a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11638",
    "kind": "arxiv",
    "version": 1
  }
}