Pith Number

pith:CT7NPIEQ

pith:2017:CT7NPIEQIWTXW4CDZ2Z6KDCXRB

not attested not anchored not stored refs pending

Polycyclic Aromatic Hydrocarbons with Aliphatic Sidegroups: Intensity Scaling for the C-H Stretching Modes and Astrophysical Implications

Aigen Li, J.X. Zhong, R. Glaser, Xuejuan Yang

arxiv:1702.02487 v1 · 2017-02-08 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CT7NPIEQIWTXW4CDZ2Z6KDCXRB}

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	2026-05-18T00:48:14.729421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14fed7a09045a77b7043ceb3e50c578877e9370759869d0678ba74c40fbe4560

Aliases

arxiv: 1702.02487 · arxiv_version: 1702.02487v1 · doi: 10.48550/arxiv.1702.02487 · pith_short_12: CT7NPIEQIWTX · pith_short_16: CT7NPIEQIWTXW4CD · pith_short_8: CT7NPIEQ

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/CT7NPIEQIWTXW4CDZ2Z6KDCXRB \
  | 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: 14fed7a09045a77b7043ceb3e50c578877e9370759869d0678ba74c40fbe4560

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db7ec7cfe5cbb7dcd6acc5bdadcb67e6fb45e0949ea134f0fc4518d4744a643f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-02-08T16:01:29Z",
    "title_canon_sha256": "f26c6911302f5fdbc4a225040a6cdd5dfc37b04dfefdd34a0195f4619a2b8a63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02487",
    "kind": "arxiv",
    "version": 1
  }
}