Pith Number

pith:EM3LT54D

pith:2011:EM3LT54DUNND4OTQWJKJAKG2WS

not attested not anchored not stored refs pending

Pair-Instability Supernovae at the Epoch of Reionization

Abraham Loeb, Daniel Kasen, Tony Pan

arxiv:1112.2710 v3 · 2011-12-12 · 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{EM3LT54DUNND4OTQWJKJAKG2WS}

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	2026-05-18T03:51:48.691971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2336b9f783a35a3e3a70b2549028dab483e5902dd67eeb5c48a4b4a06bcada03

Aliases

arxiv: 1112.2710 · arxiv_version: 1112.2710v3 · doi: 10.48550/arxiv.1112.2710 · pith_short_12: EM3LT54DUNND · pith_short_16: EM3LT54DUNND4OTQ · pith_short_8: EM3LT54D

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/EM3LT54DUNND4OTQWJKJAKG2WS \
  | 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: 2336b9f783a35a3e3a70b2549028dab483e5902dd67eeb5c48a4b4a06bcada03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61f19a575740577d92977ac5d015bc6256d9746785be5539769975d73ba29326",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-12-12T21:00:11Z",
    "title_canon_sha256": "40ad6cd9404400354c826f488c038cfe07ca955cc667221a5e6f924f9eaab9ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2710",
    "kind": "arxiv",
    "version": 3
  }
}