Pith Number

pith:C2OPKBN6

pith:2009:C2OPKBN6C55LKEBAVXGUVG4GUH

not attested not anchored not stored refs pending

Analogue Gravity and ultrashort laser pulse filamentation

A. Averchi, A. Lotti, D. Faccio, J.V. Moloney, M. Kolesik, S. Cacciatori, V. Gorini, V.G. Sala

arxiv:0905.4426 v2 · 2009-05-27 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2OPKBN6C55LKEBAVXGUVG4GUH}

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	2026-07-04T17:22:13.280077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

169cf505be177ab51020adcd4a9b86a1f7b019b5053105b32653cd4a038565b9

Aliases

arxiv: 0905.4426 · arxiv_version: 0905.4426v2 · doi: 10.48550/arxiv.0905.4426 · pith_short_12: C2OPKBN6C55L · pith_short_16: C2OPKBN6C55LKEBA · pith_short_8: C2OPKBN6

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/C2OPKBN6C55LKEBAVXGUVG4GUH \
  | 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: 169cf505be177ab51020adcd4a9b86a1f7b019b5053105b32653cd4a038565b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abc2fc85338af3f832569af51728c4c21c3fc7c3496567d612028c3e9365d868",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-05-27T13:53:26Z",
    "title_canon_sha256": "428b803c63811db16f9087ef1d2da9702a349249551106d6c5e3d35499e3b495"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4426",
    "kind": "arxiv",
    "version": 2
  }
}