Pith Number

pith:ABIMNO3P

pith:2012:ABIMNO3PRJ5VRTJRUBT2KVHRMY

not attested not anchored not stored refs pending

Project Lyman: Quantifying 11 Gyrs of Metagalactic Ionizing Background Evolution

Akio Inoue, Alexander S. Kutyrev, B-G Andersson, Carrie Bridge, Claus Leitherer, George Sonneborn, Gerard Kriss, Gerhardt R. Meurer, Harry Ferguson, Harry I. Teplitz, Ikuru Iwata, Jason X. Prochaska, J. Christopher Howk, Jean-Michel Deharveng, Jeffrey Kruk, Luciana Bianchi, Mary Elizabeth Kaiser, Massimo Stiavelli, Matthew Hayes, Milan Bogosavljevic, Nils Bergvall, Peter Friedman, Rogier A Windhorst, Seth H. Cohen, Stephan R. McCandliss, W. Van Dyke Dixon

arxiv:1209.3320 v1 · 2012-09-14 · 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{ABIMNO3PRJ5VRTJRUBT2KVHRMY}

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	2026-05-18T03:45:31.217016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0050c6bb6f8a7b58cd31a067a554f1662d91a8b5cafaa7e08c7200070f3dc68f

Aliases

arxiv: 1209.3320 · arxiv_version: 1209.3320v1 · doi: 10.48550/arxiv.1209.3320 · pith_short_12: ABIMNO3PRJ5V · pith_short_16: ABIMNO3PRJ5VRTJR · pith_short_8: ABIMNO3P

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/ABIMNO3PRJ5VRTJRUBT2KVHRMY \
  | 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: 0050c6bb6f8a7b58cd31a067a554f1662d91a8b5cafaa7e08c7200070f3dc68f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "465a13aa58c72f6ed39e4fb5810104f1575f78baa05ef93cf40b50e03058e1c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-14T20:47:18Z",
    "title_canon_sha256": "5714cf64f15ea46af84cd28199ea68c292d061239725ed9e7ae562ef58d12b2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3320",
    "kind": "arxiv",
    "version": 1
  }
}