Pith Number

pith:7VQQM3MD

pith:2022:7VQQM3MDQRGRNC7IXSCT6OVLRU

not attested not anchored not stored refs pending

Polarized radio emission unveils the structure of the pre-supernova circumstellar magnetic field and the radio emission in SN1987A

A. Pellizzoni, E. Egron, F. Bocchino, M. Miceli, M. Ono, O. Petruk, S. Loru, S. Nagataki, S. Orlando, V. Beshley

arxiv:2212.00656 v1 · 2022-12-01 · 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{7VQQM3MDQRGRNC7IXSCT6OVLRU}

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	2026-07-05T05:25:10.690391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd61066d83844d168be8bc853f3aab8d33f7e0de8511896b4dfaba2bf69c2ed0

Aliases

arxiv: 2212.00656 · arxiv_version: 2212.00656v1 · doi: 10.48550/arxiv.2212.00656 · pith_short_12: 7VQQM3MDQRGR · pith_short_16: 7VQQM3MDQRGRNC7I · pith_short_8: 7VQQM3MD

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/7VQQM3MDQRGRNC7IXSCT6OVLRU \
  | 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: fd61066d83844d168be8bc853f3aab8d33f7e0de8511896b4dfaba2bf69c2ed0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e22ca4be484755927cd952896af6d5fcc428dbc3f0a454155ecd9c208dbd851",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-12-01T17:01:02Z",
    "title_canon_sha256": "a941c0ef0c45ea9fd2f222be6607c672abba6ce0a30f66d153bf3d0e9892d450"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.00656",
    "kind": "arxiv",
    "version": 1
  }
}