Pith Number

pith:4C4MOOIV

pith:2015:4C4MOOIVCSPHO5WMEDWXQIZ7LB

not attested not anchored not stored refs pending

Formation of very hard electron and gamma-ray spectra of flat spectrum radio quasar in fast-cooling regime

Dahai Yan, Li Zhang, Shuang-Nan Zhang

arxiv:1511.00122 v2 · 2015-10-31 · 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{4C4MOOIVCSPHO5WMEDWXQIZ7LB}

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	2026-05-18T01:16:47.648424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0b8c73915149e7776cc20ed78233f585489b8cbaa048d1529988ac95ccd2b82

Aliases

arxiv: 1511.00122 · arxiv_version: 1511.00122v2 · doi: 10.48550/arxiv.1511.00122 · pith_short_12: 4C4MOOIVCSPH · pith_short_16: 4C4MOOIVCSPHO5WM · pith_short_8: 4C4MOOIV

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/4C4MOOIVCSPHO5WMEDWXQIZ7LB \
  | 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: e0b8c73915149e7776cc20ed78233f585489b8cbaa048d1529988ac95ccd2b82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc8986f73c84a6e368b9dd6949cb41ee017f4fbb9e910b7d8bb6080af4236398",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-10-31T13:26:01Z",
    "title_canon_sha256": "96cbd20efe7112f3ab13de6054d18d85fbb27db31c304c3be850246a74425068"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00122",
    "kind": "arxiv",
    "version": 2
  }
}