Pith Number

pith:2HEOVVIQ

pith:2011:2HEOVVIQW5OFLEEJBV4OB6PBEH

not attested not anchored not stored refs pending

Chandra Discovery of a Binary Active Galactic Nucleus in Mrk 739

D. B. Sanders, Ezequiel Treister, Kevin Schawinski, Margaret Trippe, Michael Koss, Neal Miller, Ranjan Vasudevan, Richard Mushotzky, Sylvain Veilleux

arxiv:1106.2163 v2 · 2011-06-10 · astro-ph.CO · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HEOVVIQW5OFLEEJBV4OB6PBEH}

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	2026-05-18T04:18:44.352387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1c8ead510b75c5590890d78e0f9e121d61ca0b37d486004d1e8ad8ab942854b

Aliases

arxiv: 1106.2163 · arxiv_version: 1106.2163v2 · doi: 10.48550/arxiv.1106.2163 · pith_short_12: 2HEOVVIQW5OF · pith_short_16: 2HEOVVIQW5OFLEEJ · pith_short_8: 2HEOVVIQ

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/2HEOVVIQW5OFLEEJBV4OB6PBEH \
  | 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: d1c8ead510b75c5590890d78e0f9e121d61ca0b37d486004d1e8ad8ab942854b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fea9b0169a522a62021a04b41cfb076799afa1086fa6c9a69f93b1bac8e90083",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-10T20:00:07Z",
    "title_canon_sha256": "269b93d39ea9b4fabeeb4b52bc04eb7af2845fbac8565d83f13ffada5cf5a269"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2163",
    "kind": "arxiv",
    "version": 2
  }
}