Pith Number

pith:MXFZYICF

pith:2009:MXFZYICF2QXVWOJYZEDCVYQVW6

not attested not anchored not stored refs pending

Low redshift AGN in the Hamburg/ESO Survey: I. The local AGN luminosity function

Andreas Schulze, Bernd Husemann, Lutz Wisotzki

arxiv:0909.5112 v1 · 2009-09-28 · 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{MXFZYICF2QXVWOJYZEDCVYQVW6}

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	2026-05-18T02:11:36.917190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65cb9c2045d42f5b3938c9062ae215b7ba97c44b010972dddcf3c073d694434e

Aliases

arxiv: 0909.5112 · arxiv_version: 0909.5112v1 · doi: 10.48550/arxiv.0909.5112 · pith_short_12: MXFZYICF2QXV · pith_short_16: MXFZYICF2QXVWOJY · pith_short_8: MXFZYICF

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/MXFZYICF2QXVWOJYZEDCVYQVW6 \
  | 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: 65cb9c2045d42f5b3938c9062ae215b7ba97c44b010972dddcf3c073d694434e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6278ef41a0fae59319a5ca0c15bcf29e226f7b8e23bf678b1fe21c3fac7b638a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-28T15:31:29Z",
    "title_canon_sha256": "690d69705757a8c1e68af6988d55935895b578c32c9d0c8749bdad8d26f64378"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5112",
    "kind": "arxiv",
    "version": 1
  }
}