Pith Number

pith:7RUBTLL7

pith:2012:7RUBTLL7M3UF55MGGKZBSVJOBA

not attested not anchored not stored refs pending

The Extinction Curve in the Visible and the Value of Rv. Part II: Addendum to AN 333, 160

David Turner, Frederic Zagury

arxiv:1207.0482 v1 · 2012-07-02 · 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{7RUBTLL7M3UF55MGGKZBSVJOBA}

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	2026-05-18T01:56:35.618081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc6819ad7f66e85ef58632b219552e081620874c621af1f718b7c0ca9dec1d5a

Aliases

arxiv: 1207.0482 · arxiv_version: 1207.0482v1 · doi: 10.48550/arxiv.1207.0482 · pith_short_12: 7RUBTLL7M3UF · pith_short_16: 7RUBTLL7M3UF55MG · pith_short_8: 7RUBTLL7

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/7RUBTLL7M3UF55MGGKZBSVJOBA \
  | 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: fc6819ad7f66e85ef58632b219552e081620874c621af1f718b7c0ca9dec1d5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4faa7804ac5cc122ba123d573b8a2e71051f310e8e9d012d59f816f0af17a031",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-07-02T19:39:36Z",
    "title_canon_sha256": "6f44f2918e3dc759bafdf07de015acaa95004d879e209ba846d1fea72631fe22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0482",
    "kind": "arxiv",
    "version": 1
  }
}