Pith Number

pith:AH6LRG3K

pith:2009:AH6LRG3K7EGDSXD2NRDZRJRBH6

not attested not anchored not stored refs pending

GALEX Measurements of the Big Blue Bump in Soft X-ray Selected AGN

David W. Atlee, Smita Mathur

arxiv:0901.3566 v2 · 2009-01-22 · astro-ph.GA · 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{AH6LRG3K7EGDSXD2NRDZRJRBH6}

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	2026-05-18T04:29:17.238606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01fcb89b6af90c395c7a6c4798a6213f9c89457f82ce7e1f93e9d57181bd375e

Aliases

arxiv: 0901.3566 · arxiv_version: 0901.3566v2 · doi: 10.48550/arxiv.0901.3566 · pith_short_12: AH6LRG3K7EGD · pith_short_16: AH6LRG3K7EGDSXD2 · pith_short_8: AH6LRG3K

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/AH6LRG3K7EGDSXD2NRDZRJRBH6 \
  | 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: 01fcb89b6af90c395c7a6c4798a6213f9c89457f82ce7e1f93e9d57181bd375e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03e40866fe2ffe8ae7a7410c486f0effdee278ec6e357015d885d0af2402e54e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-01-22T22:35:26Z",
    "title_canon_sha256": "72748567e6072be07eda4d590c4a578144a112d50e6b588e0b75b953dd4d3572"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3566",
    "kind": "arxiv",
    "version": 2
  }
}