Pith Number

pith:DLYYEFOJ

pith:2003:DLYYEFOJW6LT5X6X4F2RTGTURP

not attested not anchored not stored refs pending

The optical system of the H.E.S.S. imaging atmospheric Cherenkov telescopes, Part II: mirror alignment and point spread function

A. Katona, D. Horns, G. Heinzelmann, G. Hermann, G. Rowell, H. Krawczynski, I. Jung., K. Bernloehr, M. Beilicke, M. Panter, M. Tluczykont, O. Carrol, R. Cornils, R. Kankanyan, R. van Staa, S. Elfahem, S. Gillessen, S. Rayner, W. Hofmann

arxiv:astro-ph/0308247 v1 · 2003-08-14 · 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{DLYYEFOJW6LT5X6X4F2RTGTURP}

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	2026-07-04T16:51:28.254906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1af18215c9b7973edfd7e175199a748bd3cc524667ba041d474829236385ef1c

Aliases

arxiv: astro-ph/0308247 · arxiv_version: astro-ph/0308247v1 · doi: 10.48550/arxiv.astro-ph/0308247 · pith_short_12: DLYYEFOJW6LT · pith_short_16: DLYYEFOJW6LT5X6X · pith_short_8: DLYYEFOJ

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/DLYYEFOJW6LT5X6X4F2RTGTURP \
  | 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: 1af18215c9b7973edfd7e175199a748bd3cc524667ba041d474829236385ef1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c06c4fe87fbe649087165c8ece11160c094fbe714314e0e535c7d6fa94c5d3c6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-14T12:00:29Z",
    "title_canon_sha256": "06d58b09f97d76d683a46c4a763d8a72463e00d7cbbb2791030e4d38b996132c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308247",
    "kind": "arxiv",
    "version": 1
  }
}