Pith Number

pith:G6BKU5VR

pith:2017:G6BKU5VR4W726MCCXICI7R64BI

not attested not anchored not stored refs pending

Average Spectral Properties of Type Ia Supernova Host Galaxies

Jeremy Mould, Lifan Wang, Syed A Uddin

arxiv:1710.05208 v2 · 2017-10-14 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G6BKU5VR4W726MCCXICI7R64BI}

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	2026-05-18T00:28:13.457727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3782aa76b1e5bfaf3042ba048fc7dc0a279439edef6a34cc664dab3b924a95c7

Aliases

arxiv: 1710.05208 · arxiv_version: 1710.05208v2 · doi: 10.48550/arxiv.1710.05208 · pith_short_12: G6BKU5VR4W72 · pith_short_16: G6BKU5VR4W726MCC · pith_short_8: G6BKU5VR

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/G6BKU5VR4W726MCCXICI7R64BI \
  | 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: 3782aa76b1e5bfaf3042ba048fc7dc0a279439edef6a34cc664dab3b924a95c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff6dd5e1a551d80c10093b2c92c0abdc4313dd45c51336d7cb125a2b30cb8f01",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-14T16:36:55Z",
    "title_canon_sha256": "934b41ab6022fbb960920852db83e3b1919a4e81073b048e6e907f484fda6271"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05208",
    "kind": "arxiv",
    "version": 2
  }
}