Pith Number

pith:BUPZHIYV

pith:2015:BUPZHIYVKQ6QXYVAIXDDPTIJV6

not attested not anchored not stored refs pending

Exciton Scattering via Algebraic Topology

John R. Klein, Michael J. Catanzaro, Vladimir Y. Chernyak

arxiv:1505.02365 v4 · 2015-05-10 · math.AT · math-ph · math.GT · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BUPZHIYVKQ6QXYVAIXDDPTIJV6}

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	2026-05-18T00:38:46.831776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d1f93a315543d0be2a045c637cd09afad39f720131bee1a3126f95188dacc68

Aliases

arxiv: 1505.02365 · arxiv_version: 1505.02365v4 · doi: 10.48550/arxiv.1505.02365 · pith_short_12: BUPZHIYVKQ6Q · pith_short_16: BUPZHIYVKQ6QXYVA · pith_short_8: BUPZHIYV

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/BUPZHIYVKQ6QXYVAIXDDPTIJV6 \
  | 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: 0d1f93a315543d0be2a045c637cd09afad39f720131bee1a3126f95188dacc68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "567e6e52d47555a43b1bc1df23e1d6fb9e19dd0cba9f301f32859ddd4749921f",
    "cross_cats_sorted": [
      "math-ph",
      "math.GT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-05-10T10:42:53Z",
    "title_canon_sha256": "7e72a17c88a01a7b2dd3783f70c38d6afd476a4b121ffc5a31ec423272778ea9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02365",
    "kind": "arxiv",
    "version": 4
  }
}