Pith Number

pith:OAJTFM25

pith:2006:OAJTFM25YRI6CKDZACIRQZBFNE

not attested not anchored not stored refs pending

Probing Cool and Warm Infrared Galaxies using Photometric and Structural Measures

George Helou, Joseph M. Mazzarella (IPAC/Caltech, Nurur Rahman, USA)

arxiv:astro-ph/0608684 v1 · 2006-08-30 · 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{OAJTFM25YRI6CKDZACIRQZBFNE}

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	2026-07-04T15:19:12.309606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

701332b35dc451e128790091186425693bf5d3c2d717c24e4919b4b5d6db58da

Aliases

arxiv: astro-ph/0608684 · arxiv_version: astro-ph/0608684v1 · doi: 10.48550/arxiv.astro-ph/0608684 · pith_short_12: OAJTFM25YRI6 · pith_short_16: OAJTFM25YRI6CKDZ · pith_short_8: OAJTFM25

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/OAJTFM25YRI6CKDZACIRQZBFNE \
  | 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: 701332b35dc451e128790091186425693bf5d3c2d717c24e4919b4b5d6db58da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a83609cbfc9a525a267374f5907b02650feff5f2d6e318c254afdd85882c6f7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-08-30T23:25:52Z",
    "title_canon_sha256": "02297994eef6f4a229fb43b3c4d116781b0f394ed3f62c5648659276d0fd8fe8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0608684",
    "kind": "arxiv",
    "version": 1
  }
}