Pith Number

pith:YN5EMICW

pith:2003:YN5EMICWLLHNDMJA3GE2FVJHFE

not attested not anchored not stored refs pending

Possible contribution of olefins and heteroatoms to the Unidentified Infrared Bands

Renaud Papoular

arxiv:astro-ph/0303409 v1 · 2003-03-18 · astro-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{YN5EMICWLLHNDMJA3GE2FVJHFE}

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	2026-05-18T04:21:41.616534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c37a4620565aced1b120d989a2d527292f71791415e449df8b6210d7188b2a82

Aliases

arxiv: astro-ph/0303409 · arxiv_version: astro-ph/0303409v1 · doi: 10.48550/arxiv.astro-ph/0303409 · pith_short_12: YN5EMICWLLHN · pith_short_16: YN5EMICWLLHNDMJA · pith_short_8: YN5EMICW

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/YN5EMICWLLHNDMJA3GE2FVJHFE \
  | 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: c37a4620565aced1b120d989a2d527292f71791415e449df8b6210d7188b2a82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a991809518fc0687a6f6cdfbcb4ce88ec9aa53790ad355efc4355801b701467c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-18T11:00:04Z",
    "title_canon_sha256": "f97848a3c6097580f6fa20dd27ea200f2a5e35d47e545aedee9eda8def472cd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303409",
    "kind": "arxiv",
    "version": 1
  }
}