Pith Number

pith:NPJU2Y5Z

pith:2009:NPJU2Y5ZOO4ENKRMIUKD3Y57UR

not attested not anchored not stored refs pending

UHE neutrinos from superconducting cosmic strings

Alexander Vilenkin, Eray Sabancilar, Ken D. Olum, Veniamin Berezinsky

arxiv:0901.0527 v2 · 2009-01-05 · astro-ph.HE · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPJU2Y5ZOO4ENKRMIUKD3Y57UR}

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	2026-05-18T04:36:59.526575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bd34d63b973b846aa2c45143de3bfa474332a528ba8b0ae190a0258469840f6

Aliases

arxiv: 0901.0527 · arxiv_version: 0901.0527v2 · doi: 10.48550/arxiv.0901.0527 · pith_short_12: NPJU2Y5ZOO4E · pith_short_16: NPJU2Y5ZOO4ENKRM · pith_short_8: NPJU2Y5Z

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/NPJU2Y5ZOO4ENKRMIUKD3Y57UR \
  | 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: 6bd34d63b973b846aa2c45143de3bfa474332a528ba8b0ae190a0258469840f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e480af3c27aeaa013a378cd52eeaf3d1913149d5f16b51970577d85fafc5a8b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-01-05T17:20:25Z",
    "title_canon_sha256": "c284fba687f1946bb3a5daf0decefb57b2805951c2355d7cc3e1865abd903c3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0527",
    "kind": "arxiv",
    "version": 2
  }
}