Pith Number

pith:UQRURTAQ

pith:2008:UQRURTAQ7JL5BVCPKVYF3DNOHD

not attested not anchored not stored refs pending

The Evolution of Late-time Optical Emission from SN 1986J

B. Leibundgut, D. Milisavljevic, R. Fesen, R. Kirshner

arxiv:0804.1545 v1 · 2008-04-09 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQRURTAQ7JL5BVCPKVYF3DNOHD}

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	2026-07-04T17:10:16.872421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a42348cc10fa57d0d44f55705d8dae38e0b9815987d942b22f06e8df0396b991

Aliases

arxiv: 0804.1545 · arxiv_version: 0804.1545v1 · doi: 10.48550/arxiv.0804.1545 · pith_short_12: UQRURTAQ7JL5 · pith_short_16: UQRURTAQ7JL5BVCP · pith_short_8: UQRURTAQ

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/UQRURTAQ7JL5BVCPKVYF3DNOHD \
  | 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: a42348cc10fa57d0d44f55705d8dae38e0b9815987d942b22f06e8df0396b991

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7dd5ade415b6279119e04d609b4e13298c5254b54c8d8230dd67380d2585c7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-09T19:56:06Z",
    "title_canon_sha256": "8211fe6aba889941e8a64b6673803f34c53282eec3ea6a8bf4fd299af9e8d7d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.1545",
    "kind": "arxiv",
    "version": 1
  }
}