Pith Number

pith:B2YVSTJB

pith:2023:B2YVSTJB33662G5EQH7K52IKE4

not attested not anchored not stored refs pending

Polycyclic Aromatic Hydrocarbon Molecules and the 2175 Angstrom Interstellar Extinction Bump

Aigen Li, Qi Lin, X. J. Yang

arxiv:2308.04084 v2 · 2023-08-08 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B2YVSTJB33662G5EQH7K52IKE4}

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.

Cited by

1 paper in Pith

Mapping Dust Attenuation at Kiloparsec Scales. III. The 2175\AA\ Bump

Receipt and verification

First computed	2026-07-05T06:39:37.656500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eb1594d21defded1ba481feaee90a272df53c1005f4d5d63e992c1115ee2c1c

Aliases

arxiv: 2308.04084 · arxiv_version: 2308.04084v2 · doi: 10.48550/arxiv.2308.04084 · pith_short_12: B2YVSTJB3366 · pith_short_16: B2YVSTJB33662G5E · pith_short_8: B2YVSTJB

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/B2YVSTJB33662G5EQH7K52IKE4 \
  | 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: 0eb1594d21defded1ba481feaee90a272df53c1005f4d5d63e992c1115ee2c1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b33279019560e41bcd4db9bf1bb01a78dcb8607b7eaff124441bc49770186d2",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-08-08T06:47:50Z",
    "title_canon_sha256": "eb20320271f8085a02ff3df2c74d7b7062a57314383f9aaa62f898033aaba825"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.04084",
    "kind": "arxiv",
    "version": 2
  }
}