Pith Number

pith:4QW7OMAB

pith:2018:4QW7OMABT25KWQ4QJHAYYMAS5K

not attested not anchored not stored refs pending

Balmer-Dominated Shocks Exclude Hot Progenitors for Many Type Ia Supernovae

C. Badenes, M. Gilfanov, P. Ghavamian, T. E. Woods

arxiv:1807.03798 v1 · 2018-07-10 · 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{4QW7OMABT25KWQ4QJHAYYMAS5K}

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	2026-05-18T00:07:33.786488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e42df730019ebaab439049c18c3012ea9ebeec1ef99e2dec8f9e00d1e795c947

Aliases

arxiv: 1807.03798 · arxiv_version: 1807.03798v1 · doi: 10.48550/arxiv.1807.03798 · pith_short_12: 4QW7OMABT25K · pith_short_16: 4QW7OMABT25KWQ4Q · pith_short_8: 4QW7OMAB

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/4QW7OMABT25KWQ4QJHAYYMAS5K \
  | 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: e42df730019ebaab439049c18c3012ea9ebeec1ef99e2dec8f9e00d1e795c947

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43404ab3ad53af90b56e689c033b55243be79d2049534b688d24ce2df7ccd0d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-07-10T18:00:16Z",
    "title_canon_sha256": "0b29a5650fc767e149189300c292cbc31ab316e6e8d003d92098d7c3f4b85cac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03798",
    "kind": "arxiv",
    "version": 1
  }
}