Pith Number

pith:7FVHECMM

pith:2018:7FVHECMMPWCODKTTNWSDJOAHIY

not attested not anchored not stored refs pending

Astronomical Quantum-chemical Origin of Ubiquitously Observed Interstellar Infrared Spectrum due to Polycyclic Aromatic Hydrocarbon

Norio Ota

arxiv:1808.01070 v1 · 2018-08-03 · astro-ph.GA · cond-mat.mes-hall · 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{7FVHECMMPWCODKTTNWSDJOAHIY}

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	2026-05-18T00:08:59.146147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f96a72098c7d84e1aa736da434b807460f2ed1aa38d7ddb9ae92c3055b413424

Aliases

arxiv: 1808.01070 · arxiv_version: 1808.01070v1 · doi: 10.48550/arxiv.1808.01070 · pith_short_12: 7FVHECMMPWCO · pith_short_16: 7FVHECMMPWCODKTT · pith_short_8: 7FVHECMM

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/7FVHECMMPWCODKTTNWSDJOAHIY \
  | 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: f96a72098c7d84e1aa736da434b807460f2ed1aa38d7ddb9ae92c3055b413424

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "645384bcefe465c0910d6bd0b1e658d9c19d576ed429154fbc18cc3fe109ad00",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-03T02:22:08Z",
    "title_canon_sha256": "9f3b2a29fcb75bd6d7381ad26c3f533cca002f49230ac296f87356e089429389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01070",
    "kind": "arxiv",
    "version": 1
  }
}