Pith Number

pith:EGKDLPMI

pith:1999:EGKDLPMIJHSTFSUAELVH7ZFPXV

not attested not anchored not stored refs pending

Observations of Mkn 421 during 1997 and 1998 in the energy range above 500 GeV with the HEGRA stereoscopic Cherenkov telescope system

et al. ( The HEGRA Collaboration ), F. A. Aharonian

arxiv:astro-ph/9905032 v1 · 1999-05-05 · 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{EGKDLPMIJHSTFSUAELVH7ZFPXV}

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.

Cited by

1 paper in Pith

On the correlation between X-rays and TeV gamma-rays in HBL Blazars

Receipt and verification

First computed	2026-07-04T14:48:54.449880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

219435bd8849e532ca8022ea7fe4afbd7c26a738bb95f551b60fed076752be6b

Aliases

arxiv: astro-ph/9905032 · arxiv_version: astro-ph/9905032v1 · doi: 10.48550/arxiv.astro-ph/9905032 · pith_short_12: EGKDLPMIJHST · pith_short_16: EGKDLPMIJHSTFSUA · pith_short_8: EGKDLPMI

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/EGKDLPMIJHSTFSUAELVH7ZFPXV \
  | 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: 219435bd8849e532ca8022ea7fe4afbd7c26a738bb95f551b60fed076752be6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65d83fdbf40666f1b55642cfeda0bd8579d3c5125344cf85cc8a399006f5a5a3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-05-05T12:18:37Z",
    "title_canon_sha256": "03ce8ec1328367e3c5035650df41d582dc0ea9e59ed532cb86304073bf906b82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9905032",
    "kind": "arxiv",
    "version": 1
  }
}