Pith Number

pith:XMXGYECX

pith:2002:XMXGYECX4WWCANBYXN2UPYHU2U

not attested not anchored not stored refs pending

Detection of the BL Lac object 1ES1426+428 in the Very High Energy gamma-ray band by the CAT Telescope from 1998-2000

A. Djannati-Atai, B. Degrange, B. Fabre, B. Khelifi, C. Gouiffes, C. Masterson, F. Piron, G. Debiais, G. Fontaine, J.-P. Tavernet, L. Rob, M. Punch, M. Rivoal, P. Espigat, P. Goret, R. Bazer-Bachi, S. Vorobiov

arxiv:astro-ph/0207618 v1 · 2002-07-29 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XMXGYECX4WWCANBYXN2UPYHU2U}

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	2026-07-04T16:30:27.711667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb2e6c1057e5ac203438bb7547e0f4d536084d3559aa4b431f94240bbcc9d52e

Aliases

arxiv: astro-ph/0207618 · arxiv_version: astro-ph/0207618v1 · doi: 10.48550/arxiv.astro-ph/0207618 · pith_short_12: XMXGYECX4WWC · pith_short_16: XMXGYECX4WWCANBY · pith_short_8: XMXGYECX

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/XMXGYECX4WWCANBYXN2UPYHU2U \
  | 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: bb2e6c1057e5ac203438bb7547e0f4d536084d3559aa4b431f94240bbcc9d52e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1840210d01a506b8b60ec929c56d11056f295a56888168cd2fba93790767afbc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-29T14:38:25Z",
    "title_canon_sha256": "65aa4d8a0c0790151024b4a37a138df1b3dbb269b2e191b5253ac36533985e63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207618",
    "kind": "arxiv",
    "version": 1
  }
}