Pith Number

pith:73HKLAXJ

pith:2000:73HKLAXJFDATOPR36V7FW5HDOW

not attested not anchored not stored refs pending

Rejection of the hypothesis that Markarian 501 TeV photons are pure Bose-Einstein condensates

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

arxiv:astro-ph/0006092 v2 · 2000-06-07 · 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{73HKLAXJFDATOPR36V7FW5HDOW}

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	2026-05-18T01:24:44.230554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fecea582e928c1373e3bf57e5b74e375bc1f71869a3118db693a6944a9cd4fa1

Aliases

arxiv: astro-ph/0006092 · arxiv_version: astro-ph/0006092v2 · doi: 10.48550/arxiv.astro-ph/0006092 · pith_short_12: 73HKLAXJFDAT · pith_short_16: 73HKLAXJFDATOPR3 · pith_short_8: 73HKLAXJ

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/73HKLAXJFDATOPR36V7FW5HDOW \
  | 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: fecea582e928c1373e3bf57e5b74e375bc1f71869a3118db693a6944a9cd4fa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "694f8ea61bb691bf78f6e8026f184efed9656cf9615dc1f7fd1d1f8d2adbe937",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-06-07T18:25:35Z",
    "title_canon_sha256": "59865a32d004004b6c371a53edac4100f2acbeca73d83b70a655f6a5c2ea9491"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0006092",
    "kind": "arxiv",
    "version": 2
  }
}