Pith Number

pith:PS2DANRB

pith:2018:PS2DANRBYYTRLOL2IJJXMCUAHN

not attested not anchored not stored refs pending

Impact of the reduced speed of light approximation on ionization front velocities in cosmological simulations of the epoch of reionization

Dominique Aubert, Jonathan Chardin, Joseph Lewis, Nicolas Deparis, Pierre Ocvirk

arxiv:1803.01634 v2 · 2018-03-05 · 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{PS2DANRBYYTRLOL2IJJXMCUAHN}

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	2026-05-17T23:54:11.591874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cb4303621c62715b97a4253760a803b65b96beed2e8dafbd1e417944977f7f5

Aliases

arxiv: 1803.01634 · arxiv_version: 1803.01634v2 · doi: 10.48550/arxiv.1803.01634 · pith_short_12: PS2DANRBYYTR · pith_short_16: PS2DANRBYYTRLOL2 · pith_short_8: PS2DANRB

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/PS2DANRBYYTRLOL2IJJXMCUAHN \
  | 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: 7cb4303621c62715b97a4253760a803b65b96beed2e8dafbd1e417944977f7f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "930c871b715123393696d492fe37b02ec78d4c24799b8e93c37a9edad31427be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-03-05T12:38:49Z",
    "title_canon_sha256": "557b49aad48fed692da6c50df676b090722801001bb194b65c2d196c4c2012d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01634",
    "kind": "arxiv",
    "version": 2
  }
}