Pith Number

pith:DZJRUBKV

pith:2000:DZJRUBKVNDQITWX3WCTCKE5RCF

not attested not anchored not stored refs pending

Comparison of UHECR spectra from necklaces and vortons

Luis Masperi, Milva Orsaria

arxiv:astro-ph/0008525 v1 · 2000-08-31 · astro-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{DZJRUBKVNDQITWX3WCTCKE5RCF}

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	2026-05-18T04:36:19.615941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e531a055568e089dafbb0a62513b111592770340867573a0d38ff0c1a0a57fd

Aliases

arxiv: astro-ph/0008525 · arxiv_version: astro-ph/0008525v1 · doi: 10.48550/arxiv.astro-ph/0008525 · pith_short_12: DZJRUBKVNDQI · pith_short_16: DZJRUBKVNDQITWX3 · pith_short_8: DZJRUBKV

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/DZJRUBKVNDQITWX3WCTCKE5RCF \
  | 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: 1e531a055568e089dafbb0a62513b111592770340867573a0d38ff0c1a0a57fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3330ace4bf2b52e6db2dfdf1cb09a7b9a0deac7e57487645420338b7634e9b9b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-08-31T19:18:52Z",
    "title_canon_sha256": "aab48cbc759e23d9162c2d88fd817e16cf4bf7f068fa1bad8ef9bb9b29f426e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0008525",
    "kind": "arxiv",
    "version": 1
  }
}