Pith Number

pith:5AI6YF4K

pith:2002:5AI6YF4KKFFK4GRRWIQUGYVC7P

not attested not anchored not stored refs pending

Submillimeter Galaxies

Andrew W. Blain (Caltech), David T. Frayer (SIRTF Science Center), Ian Smail (Durham), J.-P. Kneib (Toulouse), R.J. Ivison (Edinburgh)

arxiv:astro-ph/0202228 v2 · 2002-02-12 · 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{5AI6YF4KKFFK4GRRWIQUGYVC7P}

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	2026-07-04T16:29:23.780353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e811ec178a514aae1a31b2214362a2fbd304e266e9bcc496118e809a2d6ec7dc

Aliases

arxiv: astro-ph/0202228 · arxiv_version: astro-ph/0202228v2 · doi: 10.48550/arxiv.astro-ph/0202228 · pith_short_12: 5AI6YF4KKFFK · pith_short_16: 5AI6YF4KKFFK4GRR · pith_short_8: 5AI6YF4K

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/5AI6YF4KKFFK4GRRWIQUGYVC7P \
  | 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: e811ec178a514aae1a31b2214362a2fbd304e266e9bcc496118e809a2d6ec7dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b84a5638b237bf25d9f699fabb5526eb15c5be410d0f61244f0df62461624e8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-02-12T16:48:00Z",
    "title_canon_sha256": "5b5b7b6f5955eda60022cdea20a65f86d81d9b9a57ff0c0153c92d5f86f7627e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0202228",
    "kind": "arxiv",
    "version": 2
  }
}