Pith Number

pith:PMPZP3O6

pith:2023:PMPZP3O6WFKEHFWKXD2CWVH5ZO

not attested not anchored not stored refs pending

First-principles thermal equation of state of fcc iridium

Kai Luo, R. E. Cohen, Ruifeng Lu

arxiv:2301.04825 v1 · 2023-01-12 · 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{PMPZP3O6WFKEHFWKXD2CWVH5ZO}

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	2026-07-05T05:37:49.158579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b1f97eddeb1544396cab8f42b54fdcb8c9fcaa8a3d7182cdce023dcd575a958

Aliases

arxiv: 2301.04825 · arxiv_version: 2301.04825v1 · doi: 10.48550/arxiv.2301.04825 · pith_short_12: PMPZP3O6WFKE · pith_short_16: PMPZP3O6WFKEHFWK · pith_short_8: PMPZP3O6

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/PMPZP3O6WFKEHFWKXD2CWVH5ZO \
  | 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: 7b1f97eddeb1544396cab8f42b54fdcb8c9fcaa8a3d7182cdce023dcd575a958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "924a9c13aee5364682f2fd1f419ba866cd7049b4b2d2de08632150f6b02e0132",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2023-01-12T06:06:16Z",
    "title_canon_sha256": "1149f59296c93954c65b05e53ef7f3ac48bc7c76d1f94aee31d566701da4a64e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.04825",
    "kind": "arxiv",
    "version": 1
  }
}