Pith Number

pith:4RUYKPVW

pith:2015:4RUYKPVW6BVTGXG6ZDHVMTQ4BB

not attested not anchored not stored refs pending

Efficient Photo-heating Algorithms in Time-dependent Photo-ionization Simulations

Garrelt Mellema, Kai-Yan Lee, Peter Lundqvist

arxiv:1511.01040 v1 · 2015-11-03 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RUYKPVW6BVTGXG6ZDHVMTQ4BB}

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	2026-05-18T01:24:17.783517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e469853eb6f06b335cdec8cf564e1c0854a15ee75280d97204e97bddc40207a8

Aliases

arxiv: 1511.01040 · arxiv_version: 1511.01040v1 · doi: 10.48550/arxiv.1511.01040 · pith_short_12: 4RUYKPVW6BVT · pith_short_16: 4RUYKPVW6BVTGXG6 · pith_short_8: 4RUYKPVW

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/4RUYKPVW6BVTGXG6ZDHVMTQ4BB \
  | 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: e469853eb6f06b335cdec8cf564e1c0854a15ee75280d97204e97bddc40207a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "071a929704e3bf02a94e6814633f091b25265ab773f2ad3759ce54d26139a8da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-11-03T19:22:31Z",
    "title_canon_sha256": "cb08fbdeaf0d420a2f2d882277bd56461142664a32c8bf324631459f634b7114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01040",
    "kind": "arxiv",
    "version": 1
  }
}