Pith Number

pith:NUDSMU7A

pith:2018:NUDSMU7AAKL6DRI3BFZIU7RTMA

not attested not anchored not stored refs pending

Swift UVOT Grism Observations of Nearby Type Ia Supernovae - I. Observations and Data Reduction

A. V. Filippenko, N. P. M. Kuin, R. J. Foley, Y.-C. Pan

arxiv:1805.12161 v1 · 2018-05-30 · 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{NUDSMU7AAKL6DRI3BFZIU7RTMA}

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	2026-05-18T00:13:25.207399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d072653e00297e1c51b09728a7e336015d3ab1bca64b0eb63d0a79ed0e6f5e1

Aliases

arxiv: 1805.12161 · arxiv_version: 1805.12161v1 · doi: 10.48550/arxiv.1805.12161 · pith_short_12: NUDSMU7AAKL6 · pith_short_16: NUDSMU7AAKL6DRI3 · pith_short_8: NUDSMU7A

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/NUDSMU7AAKL6DRI3BFZIU7RTMA \
  | 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: 6d072653e00297e1c51b09728a7e336015d3ab1bca64b0eb63d0a79ed0e6f5e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab0f1c43cd46ba1d5e74e166fbd3118807c981851bb0bdafa3a9e2a28cd0eade",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-05-30T18:15:43Z",
    "title_canon_sha256": "9de0b9abbfddbd49ec2e61abd71863e51267d0894f7b5c391e6b24e577db14c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12161",
    "kind": "arxiv",
    "version": 1
  }
}