Pith Number

pith:Y4QFD7WB

pith:2009:Y4QFD7WBWM6ZVC5T22R3R73VWM

not attested not anchored not stored refs pending

X- and gamma-ray studies of HESS J1731-347 coincident with a newly discovered SNR

A. Santangelo (for the H.E.S.S. Collaboration), D.Horns, D. Klochkov, F. Acero, G. P\"uhlhofer, Nu. Komin, Y.Gallant

arxiv:0907.0642 v1 · 2009-07-03 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y4QFD7WBWM6ZVC5T22R3R73VWM}

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	2026-07-04T23:54:40.708276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c72051fec1b33d9a8bb3d6a3b8ff75b32b2eda0a4fe606bb8ba1ab8fd194504d

Aliases

arxiv: 0907.0642 · arxiv_version: 0907.0642v1 · doi: 10.48550/arxiv.0907.0642 · pith_short_12: Y4QFD7WBWM6Z · pith_short_16: Y4QFD7WBWM6ZVC5T · pith_short_8: Y4QFD7WB

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/Y4QFD7WBWM6ZVC5T22R3R73VWM \
  | 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: c72051fec1b33d9a8bb3d6a3b8ff75b32b2eda0a4fe606bb8ba1ab8fd194504d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f40463bf8920621b45c736e1c836460148c8be6b48ae8a55fddd1d4a45abc19",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-07-03T14:41:02Z",
    "title_canon_sha256": "575a1b5936d629a929ee76d6c9e4c9796a340f90460fb417343a3d62f57c83f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0642",
    "kind": "arxiv",
    "version": 1
  }
}