Pith Number

pith:4LF6DASO

pith:2013:4LF6DASOY6FSBX6M5LBJLKCHCK

not attested not anchored not stored refs pending

Limits on the source properties of FR-I galaxies from high-energy neutrino and gamma observations

Francis Halzen, Isaac Saba, Julia Becker Tjus

arxiv:1302.1015 v1 · 2013-02-05 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LF6DASOY6FSBX6M5LBJLKCHCK}

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	2026-05-18T01:51:50.373182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2cbe1824ec78b20dfcceac295a84712b8eefcba66dc29a98b79880899984912

Aliases

arxiv: 1302.1015 · arxiv_version: 1302.1015v1 · doi: 10.48550/arxiv.1302.1015 · pith_short_12: 4LF6DASOY6FS · pith_short_16: 4LF6DASOY6FSBX6M · pith_short_8: 4LF6DASO

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/4LF6DASOY6FSBX6M5LBJLKCHCK \
  | 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: e2cbe1824ec78b20dfcceac295a84712b8eefcba66dc29a98b79880899984912

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aae08a62150d6f8f108babce577938b31613f07b4bc5caf87defc514db9da11d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-02-05T12:50:34Z",
    "title_canon_sha256": "b8e25e4d7df1df4c0bbb7a81e8a1d1f8422daa08bfd38677197e2ad7dc6c0057"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1015",
    "kind": "arxiv",
    "version": 1
  }
}