Pith Number

pith:FSLJPD4M

pith:2013:FSLJPD4MN3CC4EHLEKDH25J7L3

not attested not anchored not stored refs pending

Efficiently Extracting Energy from Cosmological Neutrinos

M.M. Hedman

arxiv:1307.0652 v2 · 2013-07-02 · astro-ph.CO · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FSLJPD4MN3CC4EHLEKDH25J7L3}

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	2026-05-18T01:49:00.744564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c96978f8c6ec42e10eb22867d753f5ee70a80e33b7e32f92adb56c92138f2d2

Aliases

arxiv: 1307.0652 · arxiv_version: 1307.0652v2 · doi: 10.48550/arxiv.1307.0652 · pith_short_12: FSLJPD4MN3CC · pith_short_16: FSLJPD4MN3CC4EHL · pith_short_8: FSLJPD4M

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/FSLJPD4MN3CC4EHLEKDH25J7L3 \
  | 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: 2c96978f8c6ec42e10eb22867d753f5ee70a80e33b7e32f92adb56c92138f2d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7afd61d103f3582fda68dd2937f5708e5b249c277de85df4d154ba5892d4a481",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-02T09:57:32Z",
    "title_canon_sha256": "dc0fe8c5a046afc0f2b447d59faeccceb93e09cd3ff26c94201d48991802022e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0652",
    "kind": "arxiv",
    "version": 2
  }
}