Pith Number

pith:P2OKHB7O

pith:2018:P2OKHB7OP4USTSR3ZC5UIMDO6A

not attested not anchored not stored refs pending

Light Curve for Type Ia Supernova Candidate AT 2018we

I. Pippa, J. Ala-K\"onni, J. Arvo, T. Salo, T. Willamo

arxiv:1809.04479 v2 · 2018-09-12 · astro-ph.SR · 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{P2OKHB7OP4USTSR3ZC5UIMDO6A}

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	2026-05-18T00:05:36.790868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e9ca387ee7f2929ca3bc8bb44306ef0042d01a52f9294430c03317a22078108

Aliases

arxiv: 1809.04479 · arxiv_version: 1809.04479v2 · doi: 10.48550/arxiv.1809.04479 · pith_short_12: P2OKHB7OP4US · pith_short_16: P2OKHB7OP4USTSR3 · pith_short_8: P2OKHB7O

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/P2OKHB7OP4USTSR3ZC5UIMDO6A \
  | 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: 7e9ca387ee7f2929ca3bc8bb44306ef0042d01a52f9294430c03317a22078108

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd451cf97c9c98d9281483e0dd07add80a04203021edc4a859b5fdf5d2e3c1f9",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-12T14:24:10Z",
    "title_canon_sha256": "274e1ba6d8a0c75fe06ad8d4b223ebcd88c20baca6cdb14a1cdbcf61d032cac7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04479",
    "kind": "arxiv",
    "version": 2
  }
}