Pith Number

pith:2PYD6V7B

pith:2009:2PYD6V7B37EJHTQNL6II3WTCNH

not attested not anchored not stored refs pending

Search for TeV $\gamma$ -rays from H1426+428 during 2004-07 with the TACTIC telescope

A.K. Tickoo, H.C. Goyal, K. Chanchalani, K.K. Yadav, K.Venugopal, M.K. Koul, M. Kothari, M. Sharma, N. Bhatt, P. Chandra, R.C. Rannot, R. Koul, S. Bhattacharyya, S. Kotwal, S.Sahaynathan, S. Thoudam, S.V. Godambe, V.K. Dhar

arxiv:0905.3994 v1 · 2009-05-25 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2PYD6V7B37EJHTQNL6II3WTCNH}

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	2026-05-18T04:18:13.085306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3f03f57e1dfc893ce0d5f908dda6269d8649fd64b830364ebd44175ce00342f

Aliases

arxiv: 0905.3994 · arxiv_version: 0905.3994v1 · doi: 10.48550/arxiv.0905.3994 · pith_short_12: 2PYD6V7B37EJ · pith_short_16: 2PYD6V7B37EJHTQN · pith_short_8: 2PYD6V7B

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/2PYD6V7B37EJHTQNL6II3WTCNH \
  | 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: d3f03f57e1dfc893ce0d5f908dda6269d8649fd64b830364ebd44175ce00342f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a99521c3809d7a94a651b6d7ff3a643c49d8d03f65e18c70edde9b3d7a73f67",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-25T10:49:22Z",
    "title_canon_sha256": "0cf397f4358214333f728a0f9cde0e21c48cfe3a6a30968b557ec06b5eeee24d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3994",
    "kind": "arxiv",
    "version": 1
  }
}