Pith Number

pith:QM65RNIJ

pith:2016:QM65RNIJ2RR2VFVGVTXXV32PGF

not attested not anchored not stored refs pending

The Continuing Story of SN IIb 2013df: New Optical and IR Observations and Analysis

Andr\'as P\'al, Andrea P. Nagy, Barna I. B\'ir\'o, Evelin B\'anyai, Farley V. Ferrante, G\'abor Marschalk\'o, Gabriella Hodos\'an, G. Howie Marion, Govinda Dhungana, J\'anos Kelemen, J. Craig Wheeler, Jeffrey M. Silverman, J\'ozsef Vink\'o, Kriszti\'an S\'arneczky, Ori D. Fox, Robert Kehoe, R\'obert Szak\'ats, Tam\'as Borkovits, Tam\'as Szalai, Tibor Heged\"us

arxiv:1604.08046 v1 · 2016-04-27 · astro-ph.SR · astro-ph.HE

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

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	2026-05-18T01:13:47.417096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

833dd8b509d463aa96a6acef7aef4f3167077bc105ac4366868c1343d96b4515

Aliases

arxiv: 1604.08046 · arxiv_version: 1604.08046v1 · doi: 10.48550/arxiv.1604.08046 · pith_short_12: QM65RNIJ2RR2 · pith_short_16: QM65RNIJ2RR2VFVG · pith_short_8: QM65RNIJ

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/QM65RNIJ2RR2VFVGVTXXV32PGF \
  | 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: 833dd8b509d463aa96a6acef7aef4f3167077bc105ac4366868c1343d96b4515

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3647f78f950d4f3374cdb19cf75e2c14fa27d975dd0c2f04d9dcb4be907a833b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-04-27T12:45:36Z",
    "title_canon_sha256": "06b14b370f92ef5dd90aa1ea8c940c0fa5283fcd2a527ab725b3b1698ac1811f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08046",
    "kind": "arxiv",
    "version": 1
  }
}