Pith Number

pith:R6O2QU4H

pith:2008:R6O2QU4HVUYVUN24PMTBFSFDBX

not attested not anchored not stored refs pending

Blue Stragglers After the Main Sequence

Alison Sills, Amanda Karakas, John Lattanzio

arxiv:0811.2974 v1 · 2008-11-18 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R6O2QU4HVUYVUN24PMTBFSFDBX}

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	2026-05-18T04:29:24.995688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f9da85387ad315a375c7b2612c8a30df412c1cc8a202128843b707dc444dcaf

Aliases

arxiv: 0811.2974 · arxiv_version: 0811.2974v1 · doi: 10.48550/arxiv.0811.2974 · pith_short_12: R6O2QU4HVUYV · pith_short_16: R6O2QU4HVUYVUN24 · pith_short_8: R6O2QU4H

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/R6O2QU4HVUYVUN24PMTBFSFDBX \
  | 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: 8f9da85387ad315a375c7b2612c8a30df412c1cc8a202128843b707dc444dcaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "107281ff5cfa067df05e42200cccf85835f298bfabdb9f5b351aeb40004313ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-18T19:32:21Z",
    "title_canon_sha256": "b04852eea43d88ac4a8251fc19210662714b47d017d3285f3adeb52036fa60cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.2974",
    "kind": "arxiv",
    "version": 1
  }
}