Pith Number

pith:CPBBIJCR

pith:2018:CPBBIJCR2MXKFFG6SXZ6IKVKA7

not attested not anchored not stored refs pending

Realizing negative Poisson's ratio in unstressed spring networks

Hua Tong, Jun Liu, Ning Xu, Yunhuan Nie

arxiv:1810.10768 v1 · 2018-10-25 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CPBBIJCR2MXKFFG6SXZ6IKVKA7}

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	2026-05-17T23:44:58.776796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13c2142451d32ea294de95f3e42aaa07e68d990ee2538f859906dd637928a7f8

Aliases

arxiv: 1810.10768 · arxiv_version: 1810.10768v1 · doi: 10.48550/arxiv.1810.10768 · pith_short_12: CPBBIJCR2MXK · pith_short_16: CPBBIJCR2MXKFFG6 · pith_short_8: CPBBIJCR

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/CPBBIJCR2MXKFFG6SXZ6IKVKA7 \
  | 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: 13c2142451d32ea294de95f3e42aaa07e68d990ee2538f859906dd637928a7f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d23428dc32579931ac85eb507d9625a5559f83df74cc4bd75171aae6fc2afa5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2018-10-25T08:38:35Z",
    "title_canon_sha256": "8a841814a00578cd89ff3c27ab74d2919ef6afbd249684ffd29080bc04a4a39e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10768",
    "kind": "arxiv",
    "version": 1
  }
}