Pith Number

pith:QEGLIDGT

pith:2009:QEGLIDGTCUJA4J7M64NUXQWDH5

not attested not anchored not stored refs pending

High Frequency Peakers: The Faint Sample

Carlo Stanghellini, Daniele Dallacasa, Monica Orienti

arxiv:0901.3068 v1 · 2009-01-20 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QEGLIDGTCUJA4J7M64NUXQWDH5}

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	2026-07-04T17:14:15.827338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

810cb40cd315120e27ecf71b4bc2c33f676d3e7a43353b86a242257d09296299

Aliases

arxiv: 0901.3068 · arxiv_version: 0901.3068v1 · doi: 10.48550/arxiv.0901.3068 · pith_short_12: QEGLIDGTCUJA · pith_short_16: QEGLIDGTCUJA4J7M · pith_short_8: QEGLIDGT

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/QEGLIDGTCUJA4J7M64NUXQWDH5 \
  | 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: 810cb40cd315120e27ecf71b4bc2c33f676d3e7a43353b86a242257d09296299

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae53741fae06476eaca8bb321ad53fa4e4c33b627e72e23bfee35fff7849bc12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-01-20T14:35:55Z",
    "title_canon_sha256": "0c4f2309264bb5cc4ca316b92da04992b82c60c2c484e8b64dc8de22cad2b0af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3068",
    "kind": "arxiv",
    "version": 1
  }
}