Pith Number

pith:TJXLJS2F

pith:2012:TJXLJS2F37TLFMNDVFZLHCXLS2

not attested not anchored not stored refs pending

Hunting for the progenitor of SN 1006: High resolution spectroscopic search with the FLAMES instrument

Brian P. Schmidt, John B. Laird, Michael S. Bessell, Philipp Podsiadlowski, Wolfgang E. Kerzendorf

arxiv:1207.4481 v1 · 2012-07-18 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJXLJS2F37TLFMNDVFZLHCXLS2}

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	2026-05-18T01:56:16.641116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a6eb4cb45dfe6b2b1a3a972b38aeb96970b7e801aa1fa072cf01ccbc085bb9a

Aliases

arxiv: 1207.4481 · arxiv_version: 1207.4481v1 · doi: 10.48550/arxiv.1207.4481 · pith_short_12: TJXLJS2F37TL · pith_short_16: TJXLJS2F37TLFMND · pith_short_8: TJXLJS2F

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/TJXLJS2F37TLFMNDVFZLHCXLS2 \
  | 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: 9a6eb4cb45dfe6b2b1a3a972b38aeb96970b7e801aa1fa072cf01ccbc085bb9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0cda34966ca87f004b8ec992740f73b2479deb9eff6a582c7f54b416448aacb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-18T20:00:03Z",
    "title_canon_sha256": "88bedda921a2278c3d0006dbb349ce9c42c3af982c3028d16d4aff98dd5b423c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4481",
    "kind": "arxiv",
    "version": 1
  }
}