Pith Number

pith:ZRQWV4EL

pith:2009:ZRQWV4ELOZ23CEWS45BROHAQRL

not attested not anchored not stored refs pending

Spectrum and variability of the Galactic Center VHE gamma-ray source HESS J1745-290

et al, H.E.S.S. Collaboration: F. Aharonian

arxiv:0906.1247 v2 · 2009-06-08 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZRQWV4ELOZ23CEWS45BROHAQRL}

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	2026-05-18T03:48:02.532149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc616af08b7675b112d2e743171c108ae97783e20bf33e5017cf08aead8dca03

Aliases

arxiv: 0906.1247 · arxiv_version: 0906.1247v2 · doi: 10.48550/arxiv.0906.1247 · pith_short_12: ZRQWV4ELOZ23 · pith_short_16: ZRQWV4ELOZ23CEWS · pith_short_8: ZRQWV4EL

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/ZRQWV4ELOZ23CEWS45BROHAQRL \
  | 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: cc616af08b7675b112d2e743171c108ae97783e20bf33e5017cf08aead8dca03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71f6605259daf700985ced93b0a07343655370c13a06b997f2b886c2f999b25c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-06-08T17:33:46Z",
    "title_canon_sha256": "d2f5f779ad727f799e382c60707c8ebcc723baf29cb3a24d0cdf5c2c05c78dd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1247",
    "kind": "arxiv",
    "version": 2
  }
}