Pith Number

pith:A3Z2PVIC

pith:2007:A3Z2PVIC3KXH3ANUJR5RYYFCXU

not attested not anchored not stored refs pending

Exploring Supermassive Black Hole Growth with ALMA

Gian Luigi Granato, Luigi Danese, Nozomu Kawakatu, Paola Andreani

arxiv:astro-ph/0703635 v1 · 2007-03-25 · 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{A3Z2PVIC3KXH3ANUJR5RYYFCXU}

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	2026-05-18T04:29:05.431205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06f3a7d502daae7d81b44c7b1c60a2bd30e42eb007ebb78c0cc21696c2ee762d

Aliases

arxiv: astro-ph/0703635 · arxiv_version: astro-ph/0703635v1 · doi: 10.48550/arxiv.astro-ph/0703635 · pith_short_12: A3Z2PVIC3KXH · pith_short_16: A3Z2PVIC3KXH3ANU · pith_short_8: A3Z2PVIC

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/A3Z2PVIC3KXH3ANUJR5RYYFCXU \
  | 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: 06f3a7d502daae7d81b44c7b1c60a2bd30e42eb007ebb78c0cc21696c2ee762d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ad69852f7c8100a9f1ac9ad4df0c5677a4498f79a27f8fe231036c76aa706bc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-25T08:14:46Z",
    "title_canon_sha256": "1519b63513a79eebaa13e5694024f2e5807de223d5421c10ed57098b8963fe96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703635",
    "kind": "arxiv",
    "version": 1
  }
}