Pith Number

pith:IFFHX4Y5

pith:2011:IFFHX4Y5QQLNZNGCWC4FITKBRL

not attested not anchored not stored refs pending

A Bayesian Approach to Locating the Red Giant Branch Tip Magnitude (Part I)

A. M. N. Ferguson, A. R. Conn, A. W. McConnachie, D. B. Zucker, G. F. Lewis, M. A. Fardal, M. J. Irwin, N. F. Martin, N. Tanvir, Q. A. Parker, R. A. Ibata

arxiv:1107.3206 v1 · 2011-07-16 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IFFHX4Y5QQLNZNGCWC4FITKBRL}

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	2026-05-18T02:01:15.886884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

414a7bf31d8416dcb4c2b0b8544d418afbdce4a97fe41b973be58f215cddedd0

Aliases

arxiv: 1107.3206 · arxiv_version: 1107.3206v1 · doi: 10.48550/arxiv.1107.3206 · pith_short_12: IFFHX4Y5QQLN · pith_short_16: IFFHX4Y5QQLNZNGC · pith_short_8: IFFHX4Y5

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/IFFHX4Y5QQLNZNGCWC4FITKBRL \
  | 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: 414a7bf31d8416dcb4c2b0b8544d418afbdce4a97fe41b973be58f215cddedd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18302fc88da8bd601755b5d6088b1abdf021265c794def89f0bf12acf1f91e15",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-16T08:22:50Z",
    "title_canon_sha256": "9c49dff73a2b657a99b2ab87c0866994f5d01bb721456ecbb3b3ed6f797903c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3206",
    "kind": "arxiv",
    "version": 1
  }
}