Pith Number

pith:PYHJE4XI

pith:2012:PYHJE4XIX5FV4BMW2RLLDKBVKE

not attested not anchored not stored refs pending

The nature of gamma-ray emission of Tycho's supernova remnant

E. G. Berezhko, H. J. Voelk, L. T. Ksenofontov

arxiv:1211.5398 v1 · 2012-11-23 · 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{PYHJE4XIX5FV4BMW2RLLDKBVKE}

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	2026-05-18T02:29:39.356028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e0e9272e8bf4b5e0596d456b1a835513931d4ff0157137b1fa7a7e6cac069e4

Aliases

arxiv: 1211.5398 · arxiv_version: 1211.5398v1 · doi: 10.48550/arxiv.1211.5398 · pith_short_12: PYHJE4XIX5FV · pith_short_16: PYHJE4XIX5FV4BMW · pith_short_8: PYHJE4XI

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/PYHJE4XIX5FV4BMW2RLLDKBVKE \
  | 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: 7e0e9272e8bf4b5e0596d456b1a835513931d4ff0157137b1fa7a7e6cac069e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "259a56dad6f8b41d48f489baf65f4f37dd55575c72be8ca5373f91668ce82c31",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-11-23T00:55:04Z",
    "title_canon_sha256": "97e13074ad0db8b41aaa178a22653a72384e23f2fe0788da41081644f77335d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.5398",
    "kind": "arxiv",
    "version": 1
  }
}