Pith Number

pith:HYMP6Z6U

pith:2005:HYMP6Z6U5GWFFAYC5SEKFXX7U2

not attested not anchored not stored refs pending

Unusual compressibility in the negative-thermal-expansion material ZrW2O8

A. Migliori, C. Pantea, G. R. Kowach, H. Ledbetter, J. van Duijn, P. B. Littlewood, T. Kimura, Y. Zhao

arxiv:cond-mat/0509220 v1 · 2005-09-08 · 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{HYMP6Z6U5GWFFAYC5SEKFXX7U2}

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	2026-07-04T14:22:32.771238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e18ff67d4e9ac528302ec88a2deffa6b724c34a1b4ea66d9d7d0efb50ce0472

Aliases

arxiv: cond-mat/0509220 · arxiv_version: cond-mat/0509220v1 · doi: 10.48550/arxiv.cond-mat/0509220 · pith_short_12: HYMP6Z6U5GWF · pith_short_16: HYMP6Z6U5GWFFAYC · pith_short_8: HYMP6Z6U

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/HYMP6Z6U5GWFFAYC5SEKFXX7U2 \
  | 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: 3e18ff67d4e9ac528302ec88a2deffa6b724c34a1b4ea66d9d7d0efb50ce0472

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e7b1692fbf3b348bac94945df4ee389764885488cf7e1f2b73eac456e18b73a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2005-09-08T18:12:01Z",
    "title_canon_sha256": "6e91155042613fdb3303577866487efaa025306ecc2dd336f915cc40a4bb8147"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0509220",
    "kind": "arxiv",
    "version": 1
  }
}