Pith Number

pith:VJOKIOKO

pith:2018:VJOKIOKOCJGECL4OBOOXZITRST

not attested not anchored not stored refs pending

A New Technique for Measuring Polycyclic Aromatic Hydrocarbon Emission in Different Environments

Aigen Li, Jinyi Shangguan, Luis C. Ho, Yanxia Xie

arxiv:1805.03079 v2 · 2018-05-08 · 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{VJOKIOKOCJGECL4OBOOXZITRST}

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	2026-05-18T00:12:31.696885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa5ca4394e124c412f8e0b9d7ca27194e5167d063c83961449b280186437fed8

Aliases

arxiv: 1805.03079 · arxiv_version: 1805.03079v2 · doi: 10.48550/arxiv.1805.03079 · pith_short_12: VJOKIOKOCJGE · pith_short_16: VJOKIOKOCJGECL4O · pith_short_8: VJOKIOKO

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/VJOKIOKOCJGECL4OBOOXZITRST \
  | 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: aa5ca4394e124c412f8e0b9d7ca27194e5167d063c83961449b280186437fed8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6eb665894ea0d5650bf287205ff9530bda9382db18bfeecf34b5acd9bf946bfb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-08T14:57:34Z",
    "title_canon_sha256": "7a8fcdcbf73354a988f54a1d290dff1888ba659a1141da39752f1e5bdfef45d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03079",
    "kind": "arxiv",
    "version": 2
  }
}