Pith Number

pith:JLQ4IPAQ

pith:2002:JLQ4IPAQBOAVCXDX5Y2WTVITXR

not attested not anchored not stored refs pending

Observations of extragalactic masers in bright IRAS sources

A.B. Peck, A. Tarchi, C. Henkel, K.M. Menten, L. Moscadelli

arxiv:astro-ph/0206053 v1 · 2002-06-04 · 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{JLQ4IPAQBOAVCXDX5Y2WTVITXR}

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	2026-07-04T14:12:02.683726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ae1c43c100b81515c77ee3569d513bc4500e0d5585e94d7faa9a7cd8c6f1110

Aliases

arxiv: astro-ph/0206053 · arxiv_version: astro-ph/0206053v1 · doi: 10.48550/arxiv.astro-ph/0206053 · pith_short_12: JLQ4IPAQBOAV · pith_short_16: JLQ4IPAQBOAVCXDX · pith_short_8: JLQ4IPAQ

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/JLQ4IPAQBOAVCXDX5Y2WTVITXR \
  | 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: 4ae1c43c100b81515c77ee3569d513bc4500e0d5585e94d7faa9a7cd8c6f1110

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11b011328ecc7964690cf0228ceba1f093985d69b9119b14f2dff1ab44043f8b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-06-04T14:17:24Z",
    "title_canon_sha256": "6e26a725a691f1318fdebcff04511560d4bf21378b33d55ede1dcd4a8dd32b6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0206053",
    "kind": "arxiv",
    "version": 1
  }
}