Pith Number

pith:IO4XTOZG

pith:2004:IO4XTOZGDR26IHHLGZ3T5CDFIR

not attested not anchored not stored refs pending

Simulating the Spitzer mid-IR color-color diagrams

(2), A.Sajina (1), D.Scott (1) ((1) University of British Columbia, M.Lacy (2), Spitzer Science Center)

arxiv:astro-ph/0409597 v1 · 2004-09-24 · 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{IO4XTOZGDR26IHHLGZ3T5CDFIR}

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	2026-07-04T16:44:45.441989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43b979bb261c75e41ceb36773e8865445a97b7ad2da79c2d0d21f3834606d0c9

Aliases

arxiv: astro-ph/0409597 · arxiv_version: astro-ph/0409597v1 · doi: 10.48550/arxiv.astro-ph/0409597 · pith_short_12: IO4XTOZGDR26 · pith_short_16: IO4XTOZGDR26IHHL · pith_short_8: IO4XTOZG

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/IO4XTOZGDR26IHHLGZ3T5CDFIR \
  | 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: 43b979bb261c75e41ceb36773e8865445a97b7ad2da79c2d0d21f3834606d0c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f0781f848cab9d4a05ce8a12b86f09cb63c76fd031e8955caefa23bf0c5fc7e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-24T20:03:37Z",
    "title_canon_sha256": "733186a1c45b9447790efed4d6fdb114a3c90db6bbbd76b0808e603a123d7de5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409597",
    "kind": "arxiv",
    "version": 1
  }
}