Pith Number

pith:HEP36G6I

pith:2009:HEP36G6IQH4J7BDF55MMR6XULL

not attested not anchored not stored refs pending

On the identification of the Fermi/LAT source 0FGL J2001.0+4352 with a BL Lac

A. Bazzano, L. Bassani, N. Masetti, P. Parisi, P. Ubertini, R. Landi

arxiv:0905.0843 v1 · 2009-05-06 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HEP36G6IQH4J7BDF55MMR6XULL}

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	2026-05-18T02:13:47.111200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

391fbf1bc881f89f8465ef58c8faf45af2e92f307a1da468e0f07de578a68a0b

Aliases

arxiv: 0905.0843 · arxiv_version: 0905.0843v1 · doi: 10.48550/arxiv.0905.0843 · pith_short_12: HEP36G6IQH4J · pith_short_16: HEP36G6IQH4J7BDF · pith_short_8: HEP36G6I

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/HEP36G6IQH4J7BDF55MMR6XULL \
  | 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: 391fbf1bc881f89f8465ef58c8faf45af2e92f307a1da468e0f07de578a68a0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48c8b7d8fa9b7eca328cba1739e06689f4e96b7758a848fcd7ed1e050741179e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-06T14:35:47Z",
    "title_canon_sha256": "590b7bc4c41a7ffef2a7dba24a4d21b1c4aa6f968c67200217f7594240ca4e6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0843",
    "kind": "arxiv",
    "version": 1
  }
}