Pith Number

pith:GBPXYDKV

pith:2009:GBPXYDKVBSO63IPF6DFUZSNGAU

not attested not anchored not stored refs pending

Neutrinos from photo-hadronic interactions in Pks2155-304

Athina Meli, Julia K. Becker, Peter L. Biermann

arxiv:0907.4284 v1 · 2009-07-24 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GBPXYDKVBSO63IPF6DFUZSNGAU}

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	2026-05-18T01:14:09.764303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

305f7c0d550c9deda1e5f0cb4cc9a6053a4e0402b1d7823c1dd3fd2ff653b857

Aliases

arxiv: 0907.4284 · arxiv_version: 0907.4284v1 · doi: 10.48550/arxiv.0907.4284 · pith_short_12: GBPXYDKVBSO6 · pith_short_16: GBPXYDKVBSO63IPF · pith_short_8: GBPXYDKV

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/GBPXYDKVBSO63IPF6DFUZSNGAU \
  | 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: 305f7c0d550c9deda1e5f0cb4cc9a6053a4e0402b1d7823c1dd3fd2ff653b857

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8c4704bde44676e7601c93c3ab0d417d28f09b3af3bbecd140c4f7d96d58c2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-07-24T13:53:49Z",
    "title_canon_sha256": "129e192d0e1a9355c3eb47e0a8ad596d65fda5718900399c3dac14028e276c64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4284",
    "kind": "arxiv",
    "version": 1
  }
}