Pith Number

pith:HTIPXDO2

pith:2026:HTIPXDO25WZTK64TENA6YRU6BQ

not attested not anchored not stored refs pending

FPIC: a new Particle-In-Cell code for stationary and axisymmetric black-hole spacetimes

Claudio Meringolo, Luciano Rezzolla

arxiv:2602.07452 v2 · 2026-02-07 · astro-ph.HE · gr-qc · physics.plasm-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{HTIPXDO25WZTK64TENA6YRU6BQ}

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

Particle-acceleration mechanisms in multispecies relativistic plasmas

Receipt and verification

First computed	2026-06-19T16:11:20.653662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cd0fb8ddaedb3357b932341ec469e0c270d1220614a10c13b99442ecd5b4654

Aliases

arxiv: 2602.07452 · arxiv_version: 2602.07452v2 · doi: 10.48550/arxiv.2602.07452 · pith_short_12: HTIPXDO25WZT · pith_short_16: HTIPXDO25WZTK64T · pith_short_8: HTIPXDO2

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/HTIPXDO25WZTK64TENA6YRU6BQ \
  | 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: 3cd0fb8ddaedb3357b932341ec469e0c270d1220614a10c13b99442ecd5b4654

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a57725e2799177e8371c0134e20a0e4850a01cbecf04491dbb72275c3d000c26",
    "cross_cats_sorted": [
      "gr-qc",
      "physics.plasm-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-02-07T09:07:38Z",
    "title_canon_sha256": "1ff9c31a4094a7b15462d88f2bbb3c53c63ba588c5b8f05e5b2c1b824d6da102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.07452",
    "kind": "arxiv",
    "version": 2
  }
}