Pith Number

pith:4OPQFXQJ

pith:2008:4OPQFXQJDH3GWUDXRXKZCCYXGW

not attested not anchored not stored refs pending

Discovery of gamma-ray emission from the shell-type supernova remnant RCW 86 with H.E.S.S

et al, HESS Collaboration: F. Aharonian

arxiv:0810.2689 v1 · 2008-10-15 · 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{4OPQFXQJDH3GWUDXRXKZCCYXGW}

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	2026-05-18T02:15:24.341517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e39f02de0919f66b50778dd5910b1735a6a5cbdd16f9798816593c190b427653

Aliases

arxiv: 0810.2689 · arxiv_version: 0810.2689v1 · doi: 10.48550/arxiv.0810.2689 · pith_short_12: 4OPQFXQJDH3G · pith_short_16: 4OPQFXQJDH3GWUDX · pith_short_8: 4OPQFXQJ

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/4OPQFXQJDH3GWUDXRXKZCCYXGW \
  | 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: e39f02de0919f66b50778dd5910b1735a6a5cbdd16f9798816593c190b427653

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1034b52de502fc1c45394868b38bbd74a63dfd16668ac6c38b3d6d7387372862",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-15T13:24:56Z",
    "title_canon_sha256": "c769dbb5f9bcecf4b5c0f3e59a33342069b898530d4018e677ef21dd18a65985"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.2689",
    "kind": "arxiv",
    "version": 1
  }
}