Pith Number

pith:RIGDOPSL

pith:2008:RIGDOPSLPQCITNGKUGWLL5HFR3

not attested not anchored not stored refs pending

Gamma-ray halo around 3C 279: looking through the Sun on the 8th of October

Malcolm Fairbairn, Sergey Troitsky, Timur Rashba

arxiv:0809.4886 v2 · 2008-09-29 · 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{RIGDOPSLPQCITNGKUGWLL5HFR3}

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	2026-05-18T02:24:56.949371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a0c373e4b7c0489b4caa1acb5f4e58ed7ce843a1ecc8dc76839c4d11230aaf0

Aliases

arxiv: 0809.4886 · arxiv_version: 0809.4886v2 · doi: 10.48550/arxiv.0809.4886 · pith_short_12: RIGDOPSLPQCI · pith_short_16: RIGDOPSLPQCITNGK · pith_short_8: RIGDOPSL

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/RIGDOPSLPQCITNGKUGWLL5HFR3 \
  | 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: 8a0c373e4b7c0489b4caa1acb5f4e58ed7ce843a1ecc8dc76839c4d11230aaf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3b8c35cc04183e12771b0589be24fc8b09f36cf2263f36442e28e762c045e86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-29T17:07:53Z",
    "title_canon_sha256": "593fb799e6af4d82d5f78ebb6548934d412965e30bcb3b8118bcf044fc9c94b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.4886",
    "kind": "arxiv",
    "version": 2
  }
}