Pith Number

pith:XMNS77RN

pith:2025:XMNS77RNUUGOQXXOOWTA6YXISW

not attested not anchored not stored refs pending

Pattern and Origin for the Extreme $\gamma$-ray Flares of 3C 454.3 and 3C 279: An Astrophysical Critical Damper?

Dahai Yan, Haiyun Zhang, Jianeng Zhou, Li Zhang, Niansheng Tang

arxiv:2502.20867 v2 · 2025-02-28 · 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{XMNS77RNUUGOQXXOOWTA6YXISW}

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	2026-07-05T11:24:15.167598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb1b2ffe2da50ce85eee75a60f62e8958d960146674f14eb9832e19e35cb4861

Aliases

arxiv: 2502.20867 · arxiv_version: 2502.20867v2 · doi: 10.48550/arxiv.2502.20867 · pith_short_12: XMNS77RNUUGO · pith_short_16: XMNS77RNUUGOQXXO · pith_short_8: XMNS77RN

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/XMNS77RNUUGOQXXOOWTA6YXISW \
  | 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: bb1b2ffe2da50ce85eee75a60f62e8958d960146674f14eb9832e19e35cb4861

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68b75135cc2107f729319307e4731ba259a753c1c1fa494507c39de32c289eeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-02-28T09:10:55Z",
    "title_canon_sha256": "023416dd4a114731cdc45300a62b9416378bcbfee16ca2e3f99eb1c8e35dedb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.20867",
    "kind": "arxiv",
    "version": 2
  }
}