Pith Number

pith:M4HMKAVB

pith:2011:M4HMKAVBNMPWV27MK5H52D425J

not attested not anchored not stored refs pending

An unusual stellar death on Christmas Day

A. de Ugarte Postigo, A. Llorente, A. Moskvitin, C. Choi, C. C. Th\"one, C. Kouveliotou, C. L. Fryer, D. A. Kann, D. A. Perley, E. Sonbas, H. Jeong, H. Korhonen, H. Krimm, H. T. Janka, I. Parrish, J. Cummings, J. Gorosabel, J. Lim, J. L. Racusin, K. Bundy, K. L. Page, L. Hernandez Garcia, M. A. Aloy, M. De Pasquale, M. H. Siegel, M. Im, P. Kubanek, P. Mimica, S. Guziy, S. Pak, S. R. Oates, S. T. Holland, T. Mu\~noz Darias, W.-K. Park

arxiv:1105.3015 v3 · 2011-05-16 · 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	2026-05-18T04:06:56.747476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

670ec502a16b1f6aebec574fdd0f9aea67e8a8f4f4f690975c05f3dd99ce9e76

Aliases

arxiv: 1105.3015 · arxiv_version: 1105.3015v3 · doi: 10.48550/arxiv.1105.3015 · pith_short_12: M4HMKAVBNMPW · pith_short_16: M4HMKAVBNMPWV27M · pith_short_8: M4HMKAVB

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/M4HMKAVBNMPWV27MK5H52D425J \
  | 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: 670ec502a16b1f6aebec574fdd0f9aea67e8a8f4f4f690975c05f3dd99ce9e76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cda0507697f164aebef0311e2f9ec218057ffced3c4ef923ef5d648083af6d12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-05-16T07:07:07Z",
    "title_canon_sha256": "28bf393edc118703e1ca4fbb62a7e45b21652469bc860a4381f3e9b0a6dd505a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3015",
    "kind": "arxiv",
    "version": 3
  }
}