Pith Number

pith:M463CP6K

pith:2015:M463CP6K253LHFDRPU57RQ2Y7G

not attested not anchored not stored refs pending

"Spoon-feeding" an AGN

Alberto Moretti, Deborah Mainetti, Giuseppe Lodato, Monica Colpi, Paolo D'Avanzo, Phil Evans, Sergio Campana

arxiv:1502.07835 v1 · 2015-02-27 · 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{M463CP6K253LHFDRPU57RQ2Y7G}

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	2026-05-18T02:26:02.051232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

673db13fcad776b394717d3bf8c358f99e1429d9e295db4ec2bef054c0e143d6

Aliases

arxiv: 1502.07835 · arxiv_version: 1502.07835v1 · doi: 10.48550/arxiv.1502.07835 · pith_short_12: M463CP6K253L · pith_short_16: M463CP6K253LHFDR · pith_short_8: M463CP6K

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/M463CP6K253LHFDRPU57RQ2Y7G \
  | 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: 673db13fcad776b394717d3bf8c358f99e1429d9e295db4ec2bef054c0e143d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "829a787e130b8c030cb7ecad4badcdc533d690fd73e7a2a4193703474d6afc53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-02-27T09:26:33Z",
    "title_canon_sha256": "00f09e97f32662ddfb91acd4bc122b012f0ec6c6ca31030d5e8fc6204f0355b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07835",
    "kind": "arxiv",
    "version": 1
  }
}