Pith Number

pith:P4QTP37C

pith:2012:P4QTP37CBXCAAV6OBVOKAU3YNN

not attested not anchored not stored refs pending

IRS-TR 12002: Constructing a Short-Low Truth Spectrum of the Standard Star HR 6348

D. Ludovici, G.C. Sloan

arxiv:1212.4850 v1 · 2012-12-19 · astro-ph.IM · 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{P4QTP37CBXCAAV6OBVOKAU3YNN}

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	2026-05-18T03:38:04.513222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f2137efe20dc40057ce0d5ca053786b761a3a40ea02cbf66a48f2f1d4aac290

Aliases

arxiv: 1212.4850 · arxiv_version: 1212.4850v1 · doi: 10.48550/arxiv.1212.4850 · pith_short_12: P4QTP37CBXCA · pith_short_16: P4QTP37CBXCAAV6O · pith_short_8: P4QTP37C

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/P4QTP37CBXCAAV6OBVOKAU3YNN \
  | 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: 7f2137efe20dc40057ce0d5ca053786b761a3a40ea02cbf66a48f2f1d4aac290

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "863b4cc57419155c1cef416ac58f975f4d8db871861e8c17cdfce9498843d59c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-12-19T21:03:11Z",
    "title_canon_sha256": "cdb22f457941280b9e701fd9a8f1a3ff82b4fab4275e5b3cbc83540223a6c91f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4850",
    "kind": "arxiv",
    "version": 1
  }
}