Pith Number

pith:DIDVP7IQ

pith:2015:DIDVP7IQDSMHSJOS5R442X65JS

not attested not anchored not stored refs pending

Fermi-LAT Upper Limit for NGC 4151 and its Implications for Physics of Hot Accretion Flow

Andrzej Niedzwiecki, Fu-Guo Xie, Rafal Wojaczynski

arxiv:1503.01510 v1 · 2015-03-05 · 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{DIDVP7IQDSMHSJOS5R442X65JS}

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	2026-05-18T02:25:33.479206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a0757fd101c987925d2ec79cd5fdd4c8c88dd87227a1da256c97ea2e549d02d

Aliases

arxiv: 1503.01510 · arxiv_version: 1503.01510v1 · doi: 10.48550/arxiv.1503.01510 · pith_short_12: DIDVP7IQDSMH · pith_short_16: DIDVP7IQDSMHSJOS · pith_short_8: DIDVP7IQ

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/DIDVP7IQDSMHSJOS5R442X65JS \
  | 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: 1a0757fd101c987925d2ec79cd5fdd4c8c88dd87227a1da256c97ea2e549d02d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67bca1f1b17682da67654d04de4528edae2bc23e3ddc92ad786d4d7c45962308",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-03-05T02:07:46Z",
    "title_canon_sha256": "cf90d7430483a8ba097b742e2658d05c89a56b624110e49ffd2f1eedd736e0aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01510",
    "kind": "arxiv",
    "version": 1
  }
}