Pith Number

pith:FN7YR5BZ

pith:2012:FN7YR5BZITWPTNDT5DCI3HJAN3

not attested not anchored not stored refs pending

Toward a Unified AGN Structure

Chris Shrader (NASA/USRA), Demosthenes Kazanas (NASA/GSFC), Ehud Behar (Technion, Greece), Ioannis Contopoulos (Academy of Athens, Israel), Keigo Fukumura (NASA/CRESST)

arxiv:1206.5022 v1 · 2012-06-21 · astro-ph.HE · 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{FN7YR5BZITWPTNDT5DCI3HJAN3}

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	2026-05-18T03:52:52.582890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b7f88f43944ecf9b473e8c48d9d206ed19ca7c6aaa6d92d74f93f53e73cfbd7

Aliases

arxiv: 1206.5022 · arxiv_version: 1206.5022v1 · doi: 10.48550/arxiv.1206.5022 · pith_short_12: FN7YR5BZITWP · pith_short_16: FN7YR5BZITWPTNDT · pith_short_8: FN7YR5BZ

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/FN7YR5BZITWPTNDT5DCI3HJAN3 \
  | 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: 2b7f88f43944ecf9b473e8c48d9d206ed19ca7c6aaa6d92d74f93f53e73cfbd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55e67245c8d666d2dcbefe3b51b004cf7ed04046141f901d290cb2115c42fa0a",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-06-21T21:53:47Z",
    "title_canon_sha256": "d148b502f0e5890c57d41919b18622c58d3e7bcc86ed956a1082051814455163"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5022",
    "kind": "arxiv",
    "version": 1
  }
}