Pith Number

pith:6UBBFDNN

pith:2015:6UBBFDNNT5PQRDI23DWBFEA5LP

not attested not anchored not stored refs pending

Negative Linear Compressibility

Andrew B. Cairns, Andrew L. Goodwin

arxiv:1502.00846 v1 · 2015-02-03 · 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{6UBBFDNNT5PQRDI23DWBFEA5LP}

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	2026-05-18T01:23:12.481613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f502128dad9f5f088d1ad8ec12901d5bd8c0f53539ededbe4044cd6efae72c61

Aliases

arxiv: 1502.00846 · arxiv_version: 1502.00846v1 · doi: 10.48550/arxiv.1502.00846 · pith_short_12: 6UBBFDNNT5PQ · pith_short_16: 6UBBFDNNT5PQRDI2 · pith_short_8: 6UBBFDNN

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/6UBBFDNNT5PQRDI23DWBFEA5LP \
  | 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: f502128dad9f5f088d1ad8ec12901d5bd8c0f53539ededbe4044cd6efae72c61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab037314709841392983171f97ea5a86666e6d58802cf73feffd9cb0ed7dfa55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-02-03T12:50:28Z",
    "title_canon_sha256": "d11b563091254ad9b4e1c76a4df31a2fe95ce8b362ddd1ddf8fca7ec20ffa7ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00846",
    "kind": "arxiv",
    "version": 1
  }
}