Pith Number

pith:YI2YLP2W

pith:2008:YI2YLP2WXJXS44UX25QNNRSHEW

not attested not anchored not stored refs pending

The Case for Hypercritical Accretion in M33 X-7

C.-H. Lee, E. Moreno Mendez, G. E. Brown, Il H. Park

arxiv:0809.2146 v1 · 2008-09-12 · 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{YI2YLP2WXJXS44UX25QNNRSHEW}

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	2026-07-04T17:12:42.037344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c23585bf56ba6f2e7297d760d6c64725a7d14fc801c7cfcba16aaac62bc8abd2

Aliases

arxiv: 0809.2146 · arxiv_version: 0809.2146v1 · doi: 10.48550/arxiv.0809.2146 · pith_short_12: YI2YLP2WXJXS · pith_short_16: YI2YLP2WXJXS44UX · pith_short_8: YI2YLP2W

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/YI2YLP2WXJXS44UX25QNNRSHEW \
  | 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: c23585bf56ba6f2e7297d760d6c64725a7d14fc801c7cfcba16aaac62bc8abd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d317dad11ed670fa037c847f96676516f8100b215e36b50171d148df688a473",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-12T07:36:21Z",
    "title_canon_sha256": "707e382e699372fe14b3dadfdc6f44e719aaaec92a3b41e00d7bf511208486a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.2146",
    "kind": "arxiv",
    "version": 1
  }
}