Pith Number

pith:NZXKS4HE

pith:2013:NZXKS4HELBX5HVXB3VQMB4LKSD

not attested not anchored not stored refs pending

Finding Core Collapse Supernova from the Epoch of Reionization Behind Cluster Lenses

Abraham Loeb, Tony Pan

arxiv:1303.6960 v1 · 2013-03-27 · astro-ph.HE · 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{NZXKS4HELBX5HVXB3VQMB4LKSD}

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	2026-05-18T01:50:51.776710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e6ea970e4586fd3d6e1dd60c0f16a90ecd3b1e7072041ee440b40bdbc10e6d3

Aliases

arxiv: 1303.6960 · arxiv_version: 1303.6960v1 · doi: 10.48550/arxiv.1303.6960 · pith_short_12: NZXKS4HELBX5 · pith_short_16: NZXKS4HELBX5HVXB · pith_short_8: NZXKS4HE

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/NZXKS4HELBX5HVXB3VQMB4LKSD \
  | 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: 6e6ea970e4586fd3d6e1dd60c0f16a90ecd3b1e7072041ee440b40bdbc10e6d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ef27893a4604712f3a940ee0abda6630b966d51ba53c64b52838cba9bccb3e6",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-03-27T20:00:11Z",
    "title_canon_sha256": "986a936bbe4c765cdfc8630c79dfbb418f9e6fa7fbe4ef304dfc80e911da545a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6960",
    "kind": "arxiv",
    "version": 1
  }
}