Pith Number

pith:DKJVDZ5M

pith:2008:DKJVDZ5MCX5VC4DZPGHRWAVRLJ

not attested not anchored not stored refs pending

Discovery of an Unusual Optical Transient with the Hubble Space Telescope

A. Goobar, A. Gude, A. L. Spadafora, A. S. Fruchter, C. Lidman, D. Rubin, D. Schlegel, G. Aldering, G. Goldhaber, H. K. Swift, J. Meyers, K. Barbary, K. Konishi, K. S. Dawson, K. Tokita, L. Faccioli, M. Doi, M. Kowalski, N. Suzuki, N. Takanashi, N. V. Connolly, N. Yasuda (for the Supernova Cosmology Project), P. Nugent, R. Amanullah, R. C. Thomas, S. Perlmutter, T. Morokuma, V. Fadeyev, X. Huang, Y. Ihara

arxiv:0809.1648 v1 · 2008-09-10 · 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{DKJVDZ5MCX5VC4DZPGHRWAVRLJ}

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	2026-07-04T23:54:38.597101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a9351e7ac15fb517079798f1b02b15a533836550518d3ab3838363f6cffc5c2

Aliases

arxiv: 0809.1648 · arxiv_version: 0809.1648v1 · doi: 10.48550/arxiv.0809.1648 · pith_short_12: DKJVDZ5MCX5V · pith_short_16: DKJVDZ5MCX5VC4DZ · pith_short_8: DKJVDZ5M

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/DKJVDZ5MCX5VC4DZPGHRWAVRLJ \
  | 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: 1a9351e7ac15fb517079798f1b02b15a533836550518d3ab3838363f6cffc5c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3118e235b9f29b0f77b047424c2f1b29f7c4d6d7df0cd2eed8b472bed2d913a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-10T05:19:51Z",
    "title_canon_sha256": "ef791ba387263b6025bab609df94e44f27cd3c05c0d069846e523bd60cb21c5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.1648",
    "kind": "arxiv",
    "version": 1
  }
}