Pith Number

pith:U6RO4SIS

pith:2011:U6RO4SISFUFCVUDAUDCLCBMY7O

not attested not anchored not stored refs pending

The Young, the Old, and the Dusty: Stellar Populations of AGN Hosts

Aden R. Draper, David R. Ballantyne

arxiv:1107.3801 v1 · 2011-07-19 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U6RO4SISFUFCVUDAUDCLCBMY7O}

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	2026-05-18T02:01:14.741562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7a2ee49122d0a2ad060a0c4b10598fb88b59d16201fde0215859a458e00d952

Aliases

arxiv: 1107.3801 · arxiv_version: 1107.3801v1 · doi: 10.48550/arxiv.1107.3801 · pith_short_12: U6RO4SISFUFC · pith_short_16: U6RO4SISFUFCVUDA · pith_short_8: U6RO4SIS

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/U6RO4SISFUFCVUDAUDCLCBMY7O \
  | 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: a7a2ee49122d0a2ad060a0c4b10598fb88b59d16201fde0215859a458e00d952

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef76424eebe06a5234b5ed5d04dc88c647df2e848b502021b8a0d78063815d8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-19T18:44:12Z",
    "title_canon_sha256": "3dd3e1e31ca70d04658f191cab0321bfc773457c99875545117910741dced156"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3801",
    "kind": "arxiv",
    "version": 1
  }
}