Pith Number

pith:ALO6UAL3

pith:2018:ALO6UAL3VVTMRG2TFBRQPQKZRN

not attested not anchored not stored refs pending

Spectral modeling of type II supernovae. I. Dilution factors

C. Vogl, S. A. Sim, U. M. Noebauer, W. E. Kerzendorf, W. Hillebrandt

arxiv:1811.02543 v1 · 2018-11-06 · 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{ALO6UAL3VVTMRG2TFBRQPQKZRN}

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	2026-05-17T23:56:45.050893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02ddea017bad66c89b53286307c1598b6110b5037effa9835f4a8aefe63f1cbc

Aliases

arxiv: 1811.02543 · arxiv_version: 1811.02543v1 · doi: 10.48550/arxiv.1811.02543 · pith_short_12: ALO6UAL3VVTM · pith_short_16: ALO6UAL3VVTMRG2T · pith_short_8: ALO6UAL3

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/ALO6UAL3VVTMRG2TFBRQPQKZRN \
  | 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: 02ddea017bad66c89b53286307c1598b6110b5037effa9835f4a8aefe63f1cbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a37665bd06df97289ee47ad2d68ceb45cb378bd339cbb7908bd65e30e7799311",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-11-06T18:34:11Z",
    "title_canon_sha256": "ee3136645d7ed458089c7d2fb8259c52f72845f336bc088991e1f3246355ac12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02543",
    "kind": "arxiv",
    "version": 1
  }
}