Pith Number

pith:2ETDHX5L

pith:2009:2ETDHX5L4IOFPQU7UPDUGG4SZD

not attested not anchored not stored refs pending

The Indirect Search for Dark Matter with IceCube

Dan Hooper, Francis Halzen

arxiv:0910.4513 v2 · 2009-10-23 · 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{2ETDHX5L4IOFPQU7UPDUGG4SZD}

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	2026-07-04T17:26:26.282340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d12633dfabe21c57c29fa3c7431b92c8fdc88f1a2fb4b91f261eeff78fd44a73

Aliases

arxiv: 0910.4513 · arxiv_version: 0910.4513v2 · doi: 10.48550/arxiv.0910.4513 · pith_short_12: 2ETDHX5L4IOF · pith_short_16: 2ETDHX5L4IOFPQU7 · pith_short_8: 2ETDHX5L

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/2ETDHX5L4IOFPQU7UPDUGG4SZD \
  | 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: d12633dfabe21c57c29fa3c7431b92c8fdc88f1a2fb4b91f261eeff78fd44a73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b9c3df8bfa03105585e883192607f89255bc452be590ccf5e30916c3261884c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-10-23T14:02:11Z",
    "title_canon_sha256": "c7778f5cacff539ed73f73eda885d457002fadba7c4415f5874452f3a3cbe08c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4513",
    "kind": "arxiv",
    "version": 2
  }
}