Pith Number

pith:NMNXTT6P

pith:2019:NMNXTT6PLF45RRWZMABWDTMUOR

not attested not anchored not stored refs pending

Spectral sequences of Type Ia supernovae. II. Carbon as a diagnostic tool for explosion mechanisms

E. Heringer, Melissa L. Graham, M. H. van Kerkwijk, S. A. Sim, W. E. Kerzendorf

arxiv:1902.01904 v1 · 2019-02-05 · astro-ph.HE · 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{NMNXTT6PLF45RRWZMABWDTMUOR}

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	2026-05-17T23:54:14.908665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b1b79cfcf5979d8c6d9600361cd947470008e42130a34103238ddc9cbe4c558

Aliases

arxiv: 1902.01904 · arxiv_version: 1902.01904v1 · doi: 10.48550/arxiv.1902.01904 · pith_short_12: NMNXTT6PLF45 · pith_short_16: NMNXTT6PLF45RRWZ · pith_short_8: NMNXTT6P

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/NMNXTT6PLF45RRWZMABWDTMUOR \
  | 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: 6b1b79cfcf5979d8c6d9600361cd947470008e42130a34103238ddc9cbe4c558

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "558ad3bd6e4a41bf5719dbbd4cbbcabed8ba029cdfbcabd585ee26f70fe986ca",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-02-05T20:44:56Z",
    "title_canon_sha256": "10e33d884c2b8d1a8ad913a6be8a9917b1ec9ee7fe0201ce80359a412d90386a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01904",
    "kind": "arxiv",
    "version": 1
  }
}