Pith Number

pith:EE3YU4NV

pith:2009:EE3YU4NVBG3DFSZDTUHXQF7TFB

not attested not anchored not stored refs pending

High zenith angle observations of PKS 2155-304 with the MAGIC telescope

D. Hadasch, D. Mazin (for the MAGIC collaboration), T. Bretz

arxiv:0907.0370 v1 · 2009-07-02 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EE3YU4NVBG3DFSZDTUHXQF7TFB}

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	2026-07-04T23:53:00.833066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21378a71b509b632cb239d0f7817f3285a0a4cf64e9a6ddffaf54fd3b4468e9a

Aliases

arxiv: 0907.0370 · arxiv_version: 0907.0370v1 · doi: 10.48550/arxiv.0907.0370 · pith_short_12: EE3YU4NVBG3D · pith_short_16: EE3YU4NVBG3DFSZD · pith_short_8: EE3YU4NV

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/EE3YU4NVBG3DFSZDTUHXQF7TFB \
  | 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: 21378a71b509b632cb239d0f7817f3285a0a4cf64e9a6ddffaf54fd3b4468e9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abdbaec73bbbb88ff50441404bcfc371afbc4636e55e482d6c87aae5f00a205c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-02T12:54:46Z",
    "title_canon_sha256": "ad20b0f47f65940be89c6232ac0d2c1859eb07bd69a8c959a0993f7010dfea8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0370",
    "kind": "arxiv",
    "version": 1
  }
}