Pith Number

pith:O4L6BPJ7

pith:2017:O4L6BPJ7JQ57GKQVOESUOYDZ2G

not attested not anchored not stored refs pending

Categorize Interstellar Infrared Spectrum by Polycyclic Pure-Carbon-Molecule and Hydrocarbon-Molecule

Norio Ota

arxiv:1708.08043 v1 · 2017-08-27 · astro-ph.GA · 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{O4L6BPJ7JQ57GKQVOESUOYDZ2G}

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	2026-05-18T00:36:37.176632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7717e0bd3f4c3bf32a157125476079d1bbadd26b7a7678e26e11d0978a883143

Aliases

arxiv: 1708.08043 · arxiv_version: 1708.08043v1 · doi: 10.48550/arxiv.1708.08043 · pith_short_12: O4L6BPJ7JQ57 · pith_short_16: O4L6BPJ7JQ57GKQV · pith_short_8: O4L6BPJ7

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/O4L6BPJ7JQ57GKQVOESUOYDZ2G \
  | 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: 7717e0bd3f4c3bf32a157125476079d1bbadd26b7a7678e26e11d0978a883143

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed8cac155b99b1873a755f1fa257dce281c442e0e32dc2a89deb58db45441c97",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-08-27T02:43:50Z",
    "title_canon_sha256": "25f96e96ffbafe7bdd9b07408b090ab776ee42f7a6273ded2c438b98368835db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08043",
    "kind": "arxiv",
    "version": 1
  }
}