Pith Number

pith:IQIRH2BV

pith:2011:IQIRH2BVQI4MZHF2R7JLJDCIOL

not attested not anchored not stored refs pending

Cosmic Optical Background: the View from Pioneer 10/11

K. Kawara, N. Ienaka, S. Oyabu, Y. Matsuoka

arxiv:1106.4413 v2 · 2011-06-22 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQIRH2BVQI4MZHF2R7JLJDCIOL}

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	2026-05-18T02:01:32.087639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

441113e8358238cc9cba8fd2b48c4872f0eeb60e854743a83c6af29f46c09887

Aliases

arxiv: 1106.4413 · arxiv_version: 1106.4413v2 · doi: 10.48550/arxiv.1106.4413 · pith_short_12: IQIRH2BVQI4M · pith_short_16: IQIRH2BVQI4MZHF2 · pith_short_8: IQIRH2BV

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/IQIRH2BVQI4MZHF2R7JLJDCIOL \
  | 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: 441113e8358238cc9cba8fd2b48c4872f0eeb60e854743a83c6af29f46c09887

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2329be3babbd4dd9ec0ec68ba1f302761459406396816be45c0d5f1f609aff9b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-22T10:45:36Z",
    "title_canon_sha256": "1eb78ef9bff5feff2ed923465990dea047390b775a81297beb89295c6f924a87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4413",
    "kind": "arxiv",
    "version": 2
  }
}