Pith Number

pith:NACPWC5I

pith:2021:NACPWC5I5PLEEPLQADV4IUE4BA

not attested not anchored not stored refs pending

Cosmological Evolution of Fermi-LAT Gamma-ray Blazars Using Novel Nonparametric Methods

Houdun Zeng, Tingfeng Yi, Vah\'e Petrosian

arxiv:2104.04686 v1 · 2021-04-10 · astro-ph.HE · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NACPWC5I5PLEEPLQADV4IUE4BA}

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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.

Cited by

1 paper in Pith

Limits on primordial black holes from the extragalactic gamma-ray background; current status and future projections

Receipt and verification

First computed	2026-07-05T02:47:35.246387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6804fb0ba8ebd6423d7000ebc4509c083cbd8accd8d2d571bd32b5644784ad15

Aliases

arxiv: 2104.04686 · arxiv_version: 2104.04686v1 · doi: 10.48550/arxiv.2104.04686 · pith_short_12: NACPWC5I5PLE · pith_short_16: NACPWC5I5PLEEPLQ · pith_short_8: NACPWC5I

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/NACPWC5I5PLEEPLQADV4IUE4BA \
  | 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: 6804fb0ba8ebd6423d7000ebc4509c083cbd8accd8d2d571bd32b5644784ad15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e14d551ae757f35f369988df9f718ef56f30c9fae57dc45ff01b0b145c76e79",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-04-10T05:31:29Z",
    "title_canon_sha256": "85e0accb8cf5341efbad93036a96b9474397a0d6ce83c75154e76ee27ae836d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.04686",
    "kind": "arxiv",
    "version": 1
  }
}