Pith Number

pith:PWPZGKV7

pith:2015:PWPZGKV7VG3IQS6XXAQI7HLVYN

not attested not anchored not stored refs pending

H\"uckel--Hubbard-Ohno modeling of $\boldsymbol{\pi}$-bonds in ethene and ethyne with application to trans-polyacetylene

Florian Gebhard, Gergely Barcza, Libor Veis, M\'at\'e Tim\'ar, \"Ors Legeza

arxiv:1512.03229 v1 · 2015-12-10 · cond-mat.str-el · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWPZGKV7VG3IQS6XXAQI7HLVYN}

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	2026-05-18T01:08:18.914359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d9f932abfa9b6884bd7b8208f9d75c35c23f580d84e3d03193c6ff11e1a5054

Aliases

arxiv: 1512.03229 · arxiv_version: 1512.03229v1 · doi: 10.48550/arxiv.1512.03229 · pith_short_12: PWPZGKV7VG3I · pith_short_16: PWPZGKV7VG3IQS6X · pith_short_8: PWPZGKV7

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/PWPZGKV7VG3IQS6XXAQI7HLVYN \
  | 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: 7d9f932abfa9b6884bd7b8208f9d75c35c23f580d84e3d03193c6ff11e1a5054

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28733467c80b64d046ff5047c0150ec5a16fd5f4f9b8b64e3eae62b62e7ab29f",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2015-12-10T12:19:18Z",
    "title_canon_sha256": "9651807a1c1b09d6d36a4df4b464a9ed117c00cebecdd79164c68546278074d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03229",
    "kind": "arxiv",
    "version": 1
  }
}