Pith Number

pith:FSYB4RG4

pith:2022:FSYB4RG4NNZGAWLHKVAPADHGYN

not attested not anchored not stored refs pending

Chandra Fails to Detect X-ray Emission from Type Ia SN 2018fhw/ASASSN-18tb

Vikram V. Dwarkadas (University of Chicago)

arxiv:2211.09274 v1 · 2022-11-17 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FSYB4RG4NNZGAWLHKVAPADHGYN}

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	2026-07-05T05:20:56.805716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cb01e44dc6b726059675540f00ce6c36c227abf6576ef64a3016c01dfcea15a

Aliases

arxiv: 2211.09274 · arxiv_version: 2211.09274v1 · doi: 10.48550/arxiv.2211.09274 · pith_short_12: FSYB4RG4NNZG · pith_short_16: FSYB4RG4NNZGAWLH · pith_short_8: FSYB4RG4

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/FSYB4RG4NNZGAWLHKVAPADHGYN \
  | 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: 2cb01e44dc6b726059675540f00ce6c36c227abf6576ef64a3016c01dfcea15a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "287d0ae8de32a1889a627b13602d633ccc53b611bcb1088b5890946f511d17d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-11-17T00:25:32Z",
    "title_canon_sha256": "0734566fa67a00e07a250bce10dd68e0001a26a2b292bf4d781ab27deb32a5a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.09274",
    "kind": "arxiv",
    "version": 1
  }
}