Pith Number

pith:D7S52YS6

pith:1999:D7S52YS6XT5VPMSKZLECBU35R6

not attested not anchored not stored refs pending

The time averaged TeV energy spectrum of Mkn 501 of the extraordinary 1997 outburst as measured with the stereoscopic Cherenkov telescope system of HEGRA

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

arxiv:astro-ph/9903386 v2 · 1999-03-25 · 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{D7S52YS6XT5VPMSKZLECBU35R6}

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

IXPE Observations of the Blazar Mrk 501 in 2022: A Multiwavelength View

Receipt and verification

First computed	2026-07-04T15:29:18.858967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fe5dd625ebcfb57b24acac820d37d8f809ee0e42e89bc8b7aeb2ea3a9e25afe

Aliases

arxiv: astro-ph/9903386 · arxiv_version: astro-ph/9903386v2 · doi: 10.48550/arxiv.astro-ph/9903386 · pith_short_12: D7S52YS6XT5V · pith_short_16: D7S52YS6XT5VPMSK · pith_short_8: D7S52YS6

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/D7S52YS6XT5VPMSKZLECBU35R6 \
  | 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: 1fe5dd625ebcfb57b24acac820d37d8f809ee0e42e89bc8b7aeb2ea3a9e25afe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "399b5e70b325c8c964d0555dc0f1376e3bc4bd785433f9eb8c7c8a944e0134eb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-03-25T18:53:48Z",
    "title_canon_sha256": "0ea7d6bc1448561739f3a4711c5300e096590d1b635f80eed3c7fa88dfce6a52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9903386",
    "kind": "arxiv",
    "version": 2
  }
}