Pith Number

pith:HWLG54FB

pith:2016:HWLG54FBLAQQADM2ERNICN4HK2

not attested not anchored not stored refs pending

Nitrogen Substituted Polycyclic Aromatic Hydrocarbon As Capable Interstellar Infrared Spectrum Source Considering Astronomical Chemical Evolution Step To Biological Organic Purine And Adenine

Norio Ota

arxiv:1603.03399 v1 · 2016-03-03 · physics.chem-ph · 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{HWLG54FBLAQQADM2ERNICN4HK2}

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	2026-05-18T01:19:16.473913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d966ef0a15821000d9a245a8137875681f7495d2c4469749014e3f0373d7a27

Aliases

arxiv: 1603.03399 · arxiv_version: 1603.03399v1 · doi: 10.48550/arxiv.1603.03399 · pith_short_12: HWLG54FBLAQQ · pith_short_16: HWLG54FBLAQQADM2 · pith_short_8: HWLG54FB

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/HWLG54FBLAQQADM2ERNICN4HK2 \
  | 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: 3d966ef0a15821000d9a245a8137875681f7495d2c4469749014e3f0373d7a27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45267223b073987f3d7bc42d5afd49bcdcdd5f3c3d621e7e885776d35662f14b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2016-03-03T02:49:24Z",
    "title_canon_sha256": "f3207c00e692ed56691f254e2e85668ff3f5d9092e15fe5f3c323354c4754a3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03399",
    "kind": "arxiv",
    "version": 1
  }
}