Pith Number

pith:H3MDNOAG

pith:2015:H3MDNOAGFHSCM5PAWGYX42UEWA

not attested not anchored not stored refs pending

Spitzer Point Source Catalogs of $\sim300,000$ Stars in Seven Nearby Galaxies

C. S. Kochanek, G. Sonneborn, K. Z. Stanek, Rubab Khan

arxiv:1504.01744 v2 · 2015-04-07 · astro-ph.SR · 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{H3MDNOAGFHSCM5PAWGYX42UEWA}

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	2026-05-18T01:33:43.602924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ed836b80629e42675e0b1b17e6a84b00fec320b36f2ead5480d5357c62a04b6

Aliases

arxiv: 1504.01744 · arxiv_version: 1504.01744v2 · doi: 10.48550/arxiv.1504.01744 · pith_short_12: H3MDNOAGFHSC · pith_short_16: H3MDNOAGFHSCM5PA · pith_short_8: H3MDNOAG

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/H3MDNOAGFHSCM5PAWGYX42UEWA \
  | 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: 3ed836b80629e42675e0b1b17e6a84b00fec320b36f2ead5480d5357c62a04b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d189fe8d6796e01dcf8e1a01f9a350661fe9addca28e9379abe702de438b7f8d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-07T20:05:36Z",
    "title_canon_sha256": "61adc072c776c2abd8bc71d73ce5046b8c4fa7869247c52899c9514c6fe6e99f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01744",
    "kind": "arxiv",
    "version": 2
  }
}