Pith Number

pith:HUBU7NRU

pith:2020:HUBU7NRUVXDCLO2BC6YWK2I6OG

not attested not anchored not stored refs pending

A15 Nb$_3$Si -- A "high" Tc superconductor synthesized at a pressure of one megabar and metastable at ambient conditions

Ajinkya C. Hire, Bart Olinger, G. R. Stewart, Jinhyuk Lim, J. J. Hamlin, J. S. Kim, P. J. Hirschfeld, R. G. Hennig, Yundi Quan

arxiv:2012.02905 v2 · 2020-12-05 · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HUBU7NRUVXDCLO2BC6YWK2I6OG}

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	2026-07-05T02:46:25.798287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d034fb634adc625bb4117b165691e71b95c640379154f351e7aa05baf14e83b

Aliases

arxiv: 2012.02905 · arxiv_version: 2012.02905v2 · doi: 10.48550/arxiv.2012.02905 · pith_short_12: HUBU7NRUVXDC · pith_short_16: HUBU7NRUVXDCLO2B · pith_short_8: HUBU7NRU

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/HUBU7NRUVXDCLO2BC6YWK2I6OG \
  | 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: 3d034fb634adc625bb4117b165691e71b95c640379154f351e7aa05baf14e83b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca3af4a438bdd26860bc8a982363a88d1e08efc790725e8bc02b4c4e43dd151c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2020-12-05T00:20:18Z",
    "title_canon_sha256": "bcd2fdd770600c6435c5ca6923a9289514852a600c1187154f32be78172f211c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.02905",
    "kind": "arxiv",
    "version": 2
  }
}