Pith Number

pith:HVEE7L62

pith:2021:HVEE7L62M5YOQPEINXZKISX3GQ

not attested not anchored not stored refs pending

Detection of Two Interstellar Polycyclic Aromatic Hydrocarbons via Spectral Matched Filtering

Andrew M. Burkhardt, Anthony J. Remijan, Brett A. McGuire, Christopher N. Shingledecker, Ci Xue, Eric Herbst, Eric R. Willis, Ilsa R. Cooke, Kin Long Kelvin Lee, Mark A. Siebert, Martin A. Cordiner, Michael C. McCarthy, Ryan A. Loomis, Sergei Kalenskii, Steven B. Charnely

arxiv:2103.09984 v1 · 2021-03-18 · 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{HVEE7L62M5YOQPEINXZKISX3GQ}

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	2026-07-05T02:24:15.498654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d484fafda6770e83c886df2a44afb3419edc3765225c81d05bbf98d39619098

Aliases

arxiv: 2103.09984 · arxiv_version: 2103.09984v1 · doi: 10.48550/arxiv.2103.09984 · pith_short_12: HVEE7L62M5YO · pith_short_16: HVEE7L62M5YOQPEI · pith_short_8: HVEE7L62

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/HVEE7L62M5YOQPEINXZKISX3GQ \
  | 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: 3d484fafda6770e83c886df2a44afb3419edc3765225c81d05bbf98d39619098

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2a49bd069c16bdbe9455df17258226b3d125413a39273e6506a571189153665",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-03-18T02:10:33Z",
    "title_canon_sha256": "b5d9a66faa0e7e47900d1f448e607a6a24684118f596fe077abffa15adc6c70c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.09984",
    "kind": "arxiv",
    "version": 1
  }
}