Pith Number

pith:IRRIOC2U

pith:2016:IRRIOC2UIIXLCXR4GO7VIH5L4X

not attested not anchored not stored refs pending

Counting the number of excited states in organic semiconductor systems using topology

Michael J. Catanzaro, Sergei Tretiak, Tian Shi, Vladimir Y. Chernyak

arxiv:1612.03434 v1 · 2016-12-11 · physics.chem-ph · math-ph · math.AT · 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{IRRIOC2UIIXLCXR4GO7VIH5L4X}

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	2026-05-18T00:55:19.247135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4462870b54422eb15e3c33bf541fabe5df789c7377cc63abe15e4581fc6c2c24

Aliases

arxiv: 1612.03434 · arxiv_version: 1612.03434v1 · doi: 10.48550/arxiv.1612.03434 · pith_short_12: IRRIOC2UIIXL · pith_short_16: IRRIOC2UIIXLCXR4 · pith_short_8: IRRIOC2U

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/IRRIOC2UIIXLCXR4GO7VIH5L4X \
  | 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: 4462870b54422eb15e3c33bf541fabe5df789c7377cc63abe15e4581fc6c2c24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1951d3ead86ebe456f850816801eed4858041db959db083cb9c0f01056c1efb2",
    "cross_cats_sorted": [
      "math-ph",
      "math.AT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2016-12-11T16:25:50Z",
    "title_canon_sha256": "5518b2ddf002e1940abaf5f398a911e9adc193d97cf964be007e420fd4ca1624"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03434",
    "kind": "arxiv",
    "version": 1
  }
}