Pith Number

pith:FOP36FPD

pith:2016:FOP36FPDEE2NCFLER4ZVV7KPQW

not attested not anchored not stored refs pending

Long-term study of Mkn 421 with the HAGAR Array of Telescopes

Amit Shukla, Atreyee Sinha, B. B. Singh, B. S. Acharya, G. C. Anupama, Lab Saha, P. Bhattacharya, P. R. Vishwanath, R. J. Britto, T. P. Prabhu, V. R. Chitnis

arxiv:1603.06690 v1 · 2016-03-22 · 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{FOP36FPDEE2NCFLER4ZVV7KPQW}

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	2026-05-18T01:12:04.178594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b9fbf15e32134d115648f335afd4f859dbde45d04d93d12d83ec2a3a29d4cf4

Aliases

arxiv: 1603.06690 · arxiv_version: 1603.06690v1 · doi: 10.48550/arxiv.1603.06690 · pith_short_12: FOP36FPDEE2N · pith_short_16: FOP36FPDEE2NCFLE · pith_short_8: FOP36FPD

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/FOP36FPDEE2NCFLER4ZVV7KPQW \
  | 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: 2b9fbf15e32134d115648f335afd4f859dbde45d04d93d12d83ec2a3a29d4cf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5d7c8c537cc8d5c457da9b6cb27ce46d0725e36064d0159cf7e0f6629b9622f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-03-22T07:18:12Z",
    "title_canon_sha256": "98d2d91183afb9036708c96ea23329d7476fbe94993da1b2dec0d41fc3ff3b09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.06690",
    "kind": "arxiv",
    "version": 1
  }
}