Pith Number

pith:EPAYWHL3

pith:2017:EPAYWHL3K7TI4OSRPIGXKONN3A

not attested not anchored not stored refs pending

Doping-induced superconductivity of ZrB$_2$ and HfB$_2$

A. J. S. Machado, B. Delley, H.-R. Ott, J. Mesot, N. Barbero, T. Grant, T. Shiroka, Z. Fisk

arxiv:1703.03253 v1 · 2017-03-09 · 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{EPAYWHL3K7TI4OSRPIGXKONN3A}

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	2026-05-18T00:49:00.933611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23c18b1d7b57e68e3a517a0d7539add80b5e5cfcb7dbda652fc49facf8f0221b

Aliases

arxiv: 1703.03253 · arxiv_version: 1703.03253v1 · doi: 10.48550/arxiv.1703.03253 · pith_short_12: EPAYWHL3K7TI · pith_short_16: EPAYWHL3K7TI4OSR · pith_short_8: EPAYWHL3

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/EPAYWHL3K7TI4OSRPIGXKONN3A \
  | 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: 23c18b1d7b57e68e3a517a0d7539add80b5e5cfcb7dbda652fc49facf8f0221b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a0f1791f27fc45f6d9cfffe40731e4f45f5d67aa01bac8f9829204dca9214d2",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2017-03-09T13:06:56Z",
    "title_canon_sha256": "84c5401ddf33bffca1c09fbf268221177c9e6fc675bed4c7600a33149076e83f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03253",
    "kind": "arxiv",
    "version": 1
  }
}