Pith Number

pith:WOB7IQTH

pith:2012:WOB7IQTHY2M77VOT2MK2MUKZBB

not attested not anchored not stored refs pending

Three dimensional Dirac point at k=0 in photonic and phononic systems

C. T. Chan, Fengming Liu, Xueqin Huang

arxiv:1205.0886 v2 · 2012-05-04 · 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{WOB7IQTHY2M77VOT2MK2MUKZBB}

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	2026-05-18T03:08:25.209294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b383f44267c699ffd5d3d315a651590841cea749ec7596293d543f2b382c5032

Aliases

arxiv: 1205.0886 · arxiv_version: 1205.0886v2 · doi: 10.48550/arxiv.1205.0886 · pith_short_12: WOB7IQTHY2M7 · pith_short_16: WOB7IQTHY2M77VOT · pith_short_8: WOB7IQTH

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/WOB7IQTHY2M77VOT2MK2MUKZBB \
  | 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: b383f44267c699ffd5d3d315a651590841cea749ec7596293d543f2b382c5032

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5de143e8124b9d2f5d2ff54f4e90e93ed756b1d28c93ae1f0eecea8180ceafa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-05-04T09:00:12Z",
    "title_canon_sha256": "334cee7f0b2c0b629caa48f876941d0b272c19e8eab6d76da3982a93c5c24dde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0886",
    "kind": "arxiv",
    "version": 2
  }
}