Pith Number

pith:XFEOUGU3

pith:2020:XFEOUGU3WDLIMJIBKK4PERUYNA

not attested not anchored not stored refs pending

An Explanation for 13 consecutive days activities of Mrk 421

C.Y. Yang, J. M. Bai, Shi-Ju Kang, Y. G. Zheng

arxiv:2009.06152 v1 · 2020-09-14 · 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{XFEOUGU3WDLIMJIBKK4PERUYNA}

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	2026-07-05T02:13:49.535257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b948ea1a9bb0d686250152b8f24698681502790fda564e0aef0c8b952e8b9f26

Aliases

arxiv: 2009.06152 · arxiv_version: 2009.06152v1 · doi: 10.48550/arxiv.2009.06152 · pith_short_12: XFEOUGU3WDLI · pith_short_16: XFEOUGU3WDLIMJIB · pith_short_8: XFEOUGU3

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/XFEOUGU3WDLIMJIBKK4PERUYNA \
  | 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: b948ea1a9bb0d686250152b8f24698681502790fda564e0aef0c8b952e8b9f26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c611595d55275aa61614ded0f4a57937aa8365509833ff7656c56c5b287575f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-09-14T02:08:38Z",
    "title_canon_sha256": "1fb66f8b7e912a779b286098432d4778aa98011f43de94f10cc539e4b016a35b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.06152",
    "kind": "arxiv",
    "version": 1
  }
}