Pith Number

pith:7BMIRJCD

pith:2011:7BMIRJCDV63NOT3BCYHL2QBF2W

not attested not anchored not stored refs pending

Characterization of the high-pressure superconductivity in the Pnma phase of calcium

D. Szcz\c{e}\'sniak, R. Szcz\c{e}\'sniak

arxiv:1110.2870 v3 · 2011-10-13 · 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{7BMIRJCDV63NOT3BCYHL2QBF2W}

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	2026-05-18T03:52:12.153811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f85888a443afb6d74f61160ebd4025d58db73edcbcda6578b523c217b7955acf

Aliases

arxiv: 1110.2870 · arxiv_version: 1110.2870v3 · doi: 10.48550/arxiv.1110.2870 · pith_short_12: 7BMIRJCDV63N · pith_short_16: 7BMIRJCDV63NOT3B · pith_short_8: 7BMIRJCD

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/7BMIRJCDV63NOT3BCYHL2QBF2W \
  | 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: f85888a443afb6d74f61160ebd4025d58db73edcbcda6578b523c217b7955acf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1052b25d1a3d8e6d67ebc6dbfbf16242c9eefdf5300473e8f0085e5722778cec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2011-10-13T09:05:39Z",
    "title_canon_sha256": "14432d712003a3f080cc3b5d301cd720bbb6661e28f4dcee025e51d94db8f5a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2870",
    "kind": "arxiv",
    "version": 3
  }
}