Pith Number

pith:O5FPR7JA

pith:2000:O5FPR7JAVRUZRIXEZFQMQ65Z4U

not attested not anchored not stored refs pending

The TeV Energy Spectrum of Mkn 501 Measured with the Stereoscopic Telescope System of HEGRA during 1998 and 1999

A. Akhperjanian, et al, J. Barrio, the HEGRA Collaboration: F. Aharonian

arxiv:astro-ph/0008211 v1 · 2000-08-15 · 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{O5FPR7JAVRUZRIXEZFQMQ65Z4U}

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

Multi-TeV flaring in nearby High Energy Blazars: A photohadronic scenario

Receipt and verification

First computed	2026-05-18T00:18:10.134839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

774af8fd20ac6998a2e4c960c87bb9e5209c26c9e24d2bc6d1703ee9f20b462d

Aliases

arxiv: astro-ph/0008211 · arxiv_version: astro-ph/0008211v1 · doi: 10.48550/arxiv.astro-ph/0008211 · pith_short_12: O5FPR7JAVRUZ · pith_short_16: O5FPR7JAVRUZRIXE · pith_short_8: O5FPR7JA

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/O5FPR7JAVRUZRIXEZFQMQ65Z4U \
  | 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: 774af8fd20ac6998a2e4c960c87bb9e5209c26c9e24d2bc6d1703ee9f20b462d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "293401237f2e2ad8a03cb781c0aa8eddc384edbbffcc57cf2e66b18a1643a78e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-08-15T08:00:48Z",
    "title_canon_sha256": "96ccc9d932b52eafee77f282efcf6549217fa711aac2f6a9b964359e7545cd09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0008211",
    "kind": "arxiv",
    "version": 1
  }
}