Pith Number

pith:MSYYYV2U

pith:2018:MSYYYV2U3BUJ3BY5KHUKPJKRLV

not attested not anchored not stored refs pending

High-pressure CaF2 revisited: a new high-temperature phase and the role of phonons in the search for superionic conductivity

C. J. Pickard, Joseph R. Nelson, Richard J. Needs

arxiv:1811.08740 v1 · 2018-11-21 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MSYYYV2U3BUJ3BY5KHUKPJKRLV}

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	2026-05-17T23:58:30.139594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64b18c5754d8689d871d51e8a7a5515d42340dbcaa8b6d742e6a73971b159af3

Aliases

arxiv: 1811.08740 · arxiv_version: 1811.08740v1 · doi: 10.48550/arxiv.1811.08740 · pith_short_12: MSYYYV2U3BUJ · pith_short_16: MSYYYV2U3BUJ3BY5 · pith_short_8: MSYYYV2U

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/MSYYYV2U3BUJ3BY5KHUKPJKRLV \
  | 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: 64b18c5754d8689d871d51e8a7a5515d42340dbcaa8b6d742e6a73971b159af3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbccc57cf24065aad635168a85f44a24fac17eff5d2bade45cbe157b97abc285",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-11-21T14:05:08Z",
    "title_canon_sha256": "9f42c0ae5867b9eebc155e536822117c89cf845bebf43ab0c6d4d5b4329fba3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08740",
    "kind": "arxiv",
    "version": 1
  }
}