Pith Number

pith:ZDD35V7D

pith:2012:ZDD35V7DWDYQDBV2CODUJDT7XJ

not attested not anchored not stored refs pending

Finding {\eta} Car Analogs in Nearby Galaxies Using Spitzer: I. Candidate Selection

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

arxiv:1210.6980 v1 · 2012-10-25 · 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{ZDD35V7DWDYQDBV2CODUJDT7XJ}

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	2026-05-18T01:53:37.511687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8c7bed7e3b0f10186ba1387448e7fba796d52362373d1ca314cec13977988ae

Aliases

arxiv: 1210.6980 · arxiv_version: 1210.6980v1 · doi: 10.48550/arxiv.1210.6980 · pith_short_12: ZDD35V7DWDYQ · pith_short_16: ZDD35V7DWDYQDBV2 · pith_short_8: ZDD35V7D

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/ZDD35V7DWDYQDBV2CODUJDT7XJ \
  | 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: c8c7bed7e3b0f10186ba1387448e7fba796d52362373d1ca314cec13977988ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb133be6ddf5aecf5643e0b5a63044a1ebccaffdaeeb86c0b0a1a9c0d8248a73",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-25T20:00:00Z",
    "title_canon_sha256": "87c83510b9a3218a0eb195d7aa7038726d8f68e4c524ff547a967eb276806abd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6980",
    "kind": "arxiv",
    "version": 1
  }
}