Pith Number

pith:D4HFN6KY

pith:2012:D4HFN6KYTLBOYKUHPHY7EA3RCF

not attested not anchored not stored refs pending

TeV Gamma-ray Observations of Markarian 421 using TACTIC during 2009-10

A. Goyal, A.K. Mitra, A.K. Tickoo, C. Borwankar, C.K. Bhat, H.C. Goyal, K. Chanchalani, K. K. Singh, K.K. Yadav, K.Venugopal, M.K. Koul, M. Kothari, M. Sharma, N. Bhatt, N. Chouhan, N.K. Agarwal, N. Kumar, P. Chandra, P. Marandi, R.C. Rannot, R. Koul, S. Bhattacharya, S.K. Koul, S. Kotwal, S.R. Kaul, S. Sahayanathan, V.K. Dhar

arxiv:1202.2984 v1 · 2012-02-14 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D4HFN6KYTLBOYKUHPHY7EA3RCF}

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	2026-05-18T01:58:28.755106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f0e56f9589ac2ec2a8779f1f203711155f967409e00136ab250320f17242659

Aliases

arxiv: 1202.2984 · arxiv_version: 1202.2984v1 · doi: 10.48550/arxiv.1202.2984 · pith_short_12: D4HFN6KYTLBO · pith_short_16: D4HFN6KYTLBOYKUH · pith_short_8: D4HFN6KY

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/D4HFN6KYTLBOYKUHPHY7EA3RCF \
  | 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: 1f0e56f9589ac2ec2a8779f1f203711155f967409e00136ab250320f17242659

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e61949241ef5e507a90ea42c61cda64478008fe82160774122d35a009dd9db77",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-02-14T10:28:07Z",
    "title_canon_sha256": "c4100f45e05140a68fb38725748ab8fab0f4dde3524b7202d7d8a8b901304dcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2984",
    "kind": "arxiv",
    "version": 1
  }
}