Pith Number

pith:HC4NS3FT

pith:2018:HC4NS3FT4YJPCTRAS6ESHUYAUL

not attested not anchored not stored refs pending

Polycyclic aromatic hydrocarbon emission toward the Galactic bulge

Els Peeters, Jan Cami, Joris A. D. L. Blommaert, Matthew J. Shannon

arxiv:1802.04282 v1 · 2018-02-12 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HC4NS3FT4YJPCTRAS6ESHUYAUL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:20:35.134032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38b8d96cb3e612f14e20978923d300a2c5b6f50b96cc958dd772b7728bf7eae7

Aliases

arxiv: 1802.04282 · arxiv_version: 1802.04282v1 · doi: 10.48550/arxiv.1802.04282 · pith_short_12: HC4NS3FT4YJP · pith_short_16: HC4NS3FT4YJPCTRA · pith_short_8: HC4NS3FT

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/HC4NS3FT4YJPCTRAS6ESHUYAUL \
  | 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: 38b8d96cb3e612f14e20978923d300a2c5b6f50b96cc958dd772b7728bf7eae7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51578b5e3a4a7c6f1950e899285eebf67f057294cbd7972dedb68c80bf9b1bac",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-12T19:00:04Z",
    "title_canon_sha256": "e32dfaf0a336f17600dcbe1e0a24595391347a84617eb853f832798101899dc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04282",
    "kind": "arxiv",
    "version": 1
  }
}