Pith Number

pith:XZNBUC2K

pith:2011:XZNBUC2KXUO43I6L77WHTUHIEU

not attested not anchored not stored refs pending

The distribution of star-forming regions in M33

Emilio Alfaro, Mary Crone Odekon, Nestor Sanchez, Neyda Anez

arxiv:1109.3104 v1 · 2011-09-14 · 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{XZNBUC2KXUO43I6L77WHTUHIEU}

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	2026-05-18T04:13:06.279229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be5a1a0b4abd1dcda3cbffec79d0e8252adac1bedfc1ddfc168ac273ba553b6d

Aliases

arxiv: 1109.3104 · arxiv_version: 1109.3104v1 · doi: 10.48550/arxiv.1109.3104 · pith_short_12: XZNBUC2KXUO4 · pith_short_16: XZNBUC2KXUO43I6L · pith_short_8: XZNBUC2K

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/XZNBUC2KXUO43I6L77WHTUHIEU \
  | 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: be5a1a0b4abd1dcda3cbffec79d0e8252adac1bedfc1ddfc168ac273ba553b6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80459c5800fcd0261373cc417e390e26050644e3b6d799c1ce74e25486779f4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-14T15:05:26Z",
    "title_canon_sha256": "9e40b89175eebe165617359b48f0e0d556ba6354297c290a57411f81b070a2e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3104",
    "kind": "arxiv",
    "version": 1
  }
}