Pith Number

pith:MGMQ4GDB

pith:2016:MGMQ4GDBRLCOANGTGQ7B5OLJ5G

not attested not anchored not stored refs pending

Intrinsic Negative Poisson's Ratio for Single-Layer Graphene

Harold S. Park, Jin-Wu Jiang, Tienchong Chang, Xingming Guo

arxiv:1605.01827 v2 · 2016-05-06 · 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{MGMQ4GDBRLCOANGTGQ7B5OLJ5G}

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	2026-05-18T01:09:12.562167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61990e18618ac4e034d3343e1eb969e9954bf19bd6b98dfb355ff63552d2b087

Aliases

arxiv: 1605.01827 · arxiv_version: 1605.01827v2 · doi: 10.48550/arxiv.1605.01827 · pith_short_12: MGMQ4GDBRLCO · pith_short_16: MGMQ4GDBRLCOANGT · pith_short_8: MGMQ4GDB

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/MGMQ4GDBRLCOANGTGQ7B5OLJ5G \
  | 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: 61990e18618ac4e034d3343e1eb969e9954bf19bd6b98dfb355ff63552d2b087

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f7a138454abcf1c8e85c2c22ff193f1b3944e447c3129aabee95c81e3c47fd1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2016-05-06T05:29:27Z",
    "title_canon_sha256": "4305b195cce6b99b1e7b3d77327a227a2032217f71dc9672a1f3bc55d61676e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01827",
    "kind": "arxiv",
    "version": 2
  }
}