Pith Number

pith:5XC426NL

pith:2016:5XC426NL3GRPXDR7M4TPEKGC6Y

not attested not anchored not stored refs pending

Study of the terahertz spectra of crystalline materials using NDDO semi-empirical methods: polyethylene, poly(vinylidene fluoride) form II and $\alpha$-D-glucose

P. Chamorro-Posada

arxiv:1604.03919 v1 · 2016-04-13 · physics.chem-ph · cond-mat.mtrl-sci · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5XC426NL3GRPXDR7M4TPEKGC6Y}

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	2026-05-18T01:17:10.654509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edc5cd79abd9a2fb8e3f6726f228c2f60ddd9b6e8515a20423342475f068e844

Aliases

arxiv: 1604.03919 · arxiv_version: 1604.03919v1 · doi: 10.48550/arxiv.1604.03919 · pith_short_12: 5XC426NL3GRP · pith_short_16: 5XC426NL3GRPXDR7 · pith_short_8: 5XC426NL

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/5XC426NL3GRPXDR7M4TPEKGC6Y \
  | 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: edc5cd79abd9a2fb8e3f6726f228c2f60ddd9b6e8515a20423342475f068e844

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6349191cc3d750497d67d89f3f479ec67c7774a49ec4ee3f5e67e72372f891ee",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2016-04-13T19:17:07Z",
    "title_canon_sha256": "a8f5c93909bb1a580927bcb59a587c75e607b18aab33235684c3ab6b8fee1ebb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03919",
    "kind": "arxiv",
    "version": 1
  }
}