Pith Number

pith:GMHSAV47

pith:2018:GMHSAV474DRQSUO3GI2J2XOW4K

not attested not anchored not stored refs pending

Extreme & High Synchrotron Peaked Blazars at the limit of Fermi-LAT detectability: the $\gamma$-ray spectrum of 1BIGB sources

B. Arsioli, B. Fraga, E. Prandini, L. Foffano, U. Barres de Almeida

arxiv:1804.08801 v2 · 2018-04-24 · 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{GMHSAV474DRQSUO3GI2J2XOW4K}

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	2026-05-18T00:08:42.125143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

330f20579fe0e30951db32349d5dd6e2a01e11fcde58ea06492a17eb6153734c

Aliases

arxiv: 1804.08801 · arxiv_version: 1804.08801v2 · doi: 10.48550/arxiv.1804.08801 · pith_short_12: GMHSAV474DRQ · pith_short_16: GMHSAV474DRQSUO3 · pith_short_8: GMHSAV47

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/GMHSAV474DRQSUO3GI2J2XOW4K \
  | 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: 330f20579fe0e30951db32349d5dd6e2a01e11fcde58ea06492a17eb6153734c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bc00df00cb7bf94ed818d899dfc0ff49418111f5b7fb9892501e3859042e337",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-04-24T01:41:37Z",
    "title_canon_sha256": "2a9ddb41d26c153bbdc627ddb804a35cc6e8db1261bc9aee9b351e84a93233f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08801",
    "kind": "arxiv",
    "version": 2
  }
}