Pith Number

pith:67EXNWOD

pith:2021:67EXNWODD6QZGNPJBN4ZCOGKPV

not attested not anchored not stored refs pending

Unveiling the broadband spectral and temporal properties of PKS\,0903-57 during its brightest flare

Naseer Iqbal, S. Sahayanathan, V. Jithesh, Zahir Shah

arxiv:2103.13657 v1 · 2021-03-25 · 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{67EXNWODD6QZGNPJBN4ZCOGKPV}

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	2026-07-05T02:45:37.272174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7c976d9c31fa19335e90b799138ca7d64535fcdf77285ca3a95d2588e459f3f

Aliases

arxiv: 2103.13657 · arxiv_version: 2103.13657v1 · doi: 10.48550/arxiv.2103.13657 · pith_short_12: 67EXNWODD6QZ · pith_short_16: 67EXNWODD6QZGNPJ · pith_short_8: 67EXNWOD

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/67EXNWODD6QZGNPJBN4ZCOGKPV \
  | 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: f7c976d9c31fa19335e90b799138ca7d64535fcdf77285ca3a95d2588e459f3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8c726448eee4be7a173cf3f38f1ffac8f75989eb9f884a417d1fd13d669a32c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-03-25T08:12:26Z",
    "title_canon_sha256": "7d40d0bce72a42ca547e23c19fbd93389e53c58f2d691fd9d5432f008ad0c6e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.13657",
    "kind": "arxiv",
    "version": 1
  }
}