Pith Number

pith:X4ZHYNTJ

pith:2004:X4ZHYNTJRSAS6Z2VLXU7VTO3DM

not attested not anchored not stored refs pending

Very high energy gamma rays from the direction of Sagittarius A*

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

arxiv:astro-ph/0408145 v2 · 2004-08-09 · 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{X4ZHYNTJRSAS6Z2VLXU7VTO3DM}

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

The Cherenkov Telescope Array view of the Galactic Center region

Receipt and verification

First computed	2026-07-05T06:25:35.530215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf327c36698c812f67555de9facddb1b3d2a939323f0058df69186378821c3d6

Aliases

arxiv: astro-ph/0408145 · arxiv_version: astro-ph/0408145v2 · doi: 10.48550/arxiv.astro-ph/0408145 · pith_short_12: X4ZHYNTJRSAS · pith_short_16: X4ZHYNTJRSAS6Z2V · pith_short_8: X4ZHYNTJ

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/X4ZHYNTJRSAS6Z2VLXU7VTO3DM \
  | 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: bf327c36698c812f67555de9facddb1b3d2a939323f0058df69186378821c3d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85d8b0d436de74e15c93d68d0808392d5c5091482da571acb261fbf6f9c3b57f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-09T08:30:27Z",
    "title_canon_sha256": "fcdfbacae268109f6a52bdf5a81430ca72ae2ede6e637cf16f6b893fd5b8f32c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408145",
    "kind": "arxiv",
    "version": 2
  }
}