Pith Number

pith:4HIPRYLA

pith:1999:4HIPRYLAXI274UAZ7VWEQAJX3A

not attested not anchored not stored refs pending

Photoelectric Emission from Interstellar Dust: Grain Charging and Gas Heating

B. T. Draine, Joseph C. Weingartner

arxiv:astro-ph/9907251 v4 · 1999-07-19 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HIPRYLAXI274UAZ7VWEQAJX3A}

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

3 papers in Pith

The evolution of the galaxy gas-phase mass-metallicity relation from $z=15$ to $z=0$ in the COLIBRE cosmological simulations

UCLCHEM 4.0: An open source gas-grain astrochemistry simulation framework

Interstellar dust production, destruction and effects of dust depletion in galaxies

Receipt and verification

First computed	2026-05-18T04:19:41.536251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1d0f8e160ba35fe5019fd6c480137d830e59087e3633f4f3233346f68290843

Aliases

arxiv: astro-ph/9907251 · arxiv_version: astro-ph/9907251v4 · doi: 10.48550/arxiv.astro-ph/9907251 · pith_short_12: 4HIPRYLAXI27 · pith_short_16: 4HIPRYLAXI274UAZ · pith_short_8: 4HIPRYLA

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/4HIPRYLAXI274UAZ7VWEQAJX3A \
  | 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: e1d0f8e160ba35fe5019fd6c480137d830e59087e3633f4f3233346f68290843

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f959930916d4f199cd513b7401a0bcff4d7d0c52431db3a7b76b44e63f397ba",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-19T16:29:49Z",
    "title_canon_sha256": "3399af1064a57bedf19d879a0a8717a3bd296f9fd355c47cd96712240b73283b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907251",
    "kind": "arxiv",
    "version": 4
  }
}