Pith Number

pith:FOYWTG5P

pith:2022:FOYWTG5PUSQAG3NSWFKWJJZAP4

not attested not anchored not stored refs pending

A new study on a type Iax stellar remnant and its probable association with SN 1181

Albert A. Zijlstra, Andreas Ritter, D. John Hillier, Foteini Lykou, Mart\'in A. Guerrero, Pascal le D\^u, Quentin A. Parker

arxiv:2208.03946 v3 · 2022-08-08 · astro-ph.SR · astro-ph.GA · 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{FOYWTG5PUSQAG3NSWFKWJJZAP4}

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	2026-07-05T05:43:52.945736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bb1699bafa4a0036db2b15564a7207f39a9f4812c960ee5708334506a7ba4c0

Aliases

arxiv: 2208.03946 · arxiv_version: 2208.03946v3 · doi: 10.48550/arxiv.2208.03946 · pith_short_12: FOYWTG5PUSQA · pith_short_16: FOYWTG5PUSQAG3NS · pith_short_8: FOYWTG5P

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/FOYWTG5PUSQAG3NSWFKWJJZAP4 \
  | 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: 2bb1699bafa4a0036db2b15564a7207f39a9f4812c960ee5708334506a7ba4c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "830130f463b19ad0311b0ca1425182f68bca1d04f241ae03c0931387c20efe94",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-08-08T07:23:11Z",
    "title_canon_sha256": "704156dd6d15482a8910a00fcce9efe06fefabaa004172cdfdcc8c989c8fcf38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.03946",
    "kind": "arxiv",
    "version": 3
  }
}