Pith Number

pith:NAMBK7MX

pith:2011:NAMBK7MXOXMAOWU4E56MBKU7C7

not attested not anchored not stored refs pending

AAO Observer - August 2011 Edition

Sarah Brough

arxiv:1108.4747 v1 · 2011-08-24 · astro-ph.IM · astro-ph.CO · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NAMBK7MXOXMAOWU4E56MBKU7C7}

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	2026-05-18T04:14:46.856417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6818157d9775d8075a9c277cc0aa9f17f2da63241d847f721e4ae9d91f7bff59

Aliases

arxiv: 1108.4747 · arxiv_version: 1108.4747v1 · doi: 10.48550/arxiv.1108.4747 · pith_short_12: NAMBK7MXOXMA · pith_short_16: NAMBK7MXOXMAOWU4 · pith_short_8: NAMBK7MX

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/NAMBK7MXOXMAOWU4E56MBKU7C7 \
  | 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: 6818157d9775d8075a9c277cc0aa9f17f2da63241d847f721e4ae9d91f7bff59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb371cb99fb70e980552b9021e741671357d907340c9970e5a55069bdfa3cf08",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-08-24T04:29:57Z",
    "title_canon_sha256": "dcc7b44e19972d6d36794a7c6cdd56b04debdecc91eca951dc17abf79f49a087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4747",
    "kind": "arxiv",
    "version": 1
  }
}