Pith Number

pith:B7MIT6T2

pith:2017:B7MIT6T27JI7646DSFG3J3HK3U

not attested not anchored not stored refs pending

iPTF17cw: An engine-driven supernova candidate discovered independent of a gamma-ray trigger

A. Corsi, A. Kutyrev, A. M. Goldstein, A. S. Piascik, C. Fremling, C. M. Copperwheat, D. A. Frail, D. A. Perley, E. Troja, F. Taddia, H. Vedantham, I. A. Steele, J. Sollerman, L. P. Singer, M. M. Kasliwal, N. Blagorodnova, N. T. Palliyaguru, O. Roberts, R. Quimby, S.B. Cenko, S. R. Kulkarni, S. Veilleux, T. Kupfer, V. Connaughton

arxiv:1706.00045 v1 · 2017-05-31 · 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{B7MIT6T27JI7646DSFG3J3HK3U}

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	2026-05-18T00:33:49.603909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fd889fa7afa51ff73c3914db4eceadd1d85d2f436e4a2a20020731e895da7e0

Aliases

arxiv: 1706.00045 · arxiv_version: 1706.00045v1 · doi: 10.48550/arxiv.1706.00045 · pith_short_12: B7MIT6T27JI7 · pith_short_16: B7MIT6T27JI7646D · pith_short_8: B7MIT6T2

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/B7MIT6T27JI7646DSFG3J3HK3U \
  | 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: 0fd889fa7afa51ff73c3914db4eceadd1d85d2f436e4a2a20020731e895da7e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c5afc86f6f00b396fc601ff1d792d1ceee522e2b833ed4b5bb5b682f288c573",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-05-31T18:27:42Z",
    "title_canon_sha256": "9ba6036990565eb1391892a7ab3b63231fda6cab6ecd398e97f654d32a28363c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00045",
    "kind": "arxiv",
    "version": 1
  }
}