Pith Number

pith:IU6SHTNF

pith:2021:IU6SHTNFH6QMYUQB2LRNBS27K4

not attested not anchored not stored refs pending

ASASSN-15hy: an under-luminous, red 03fg-like type Ia supernova

A. L. Piro, B. J. Shappee, C. Ashall, C. Contreras, C. Gonzalez, C. R. Burns, D. J. Sand, E. Baron, E. Falco, E. Y. Hsiao, F. Taddia, G. H. Marion, H. Kuncarayakti, J. Anais, J. L. Prieto, J. Lu, J. P. Anderson, K. Krisciunas, L. Busta, L. Galbany, M. D. Stritzinger, M. Hamuy, M. M. Phillips, M. Shahbandeh, N. B. Suntzeff, N. Morrell, P. Hoeflich, P. J. Brown, R. P. Kirshner, S. Castell\'on, S. Davis, S. E. Persson, S. Holmbo, S. Kumar, T. Diamond, T. W.-S. Holoien

arxiv:2107.08150 v2 · 2021-07-17 · 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{IU6SHTNFH6QMYUQB2LRNBS27K4}

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	2026-07-05T03:26:00.868227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

453d23cda53fa0cc5201d2e2d0cb5f571b92759b59a2180404c4c83cd9ad41a9

Aliases

arxiv: 2107.08150 · arxiv_version: 2107.08150v2 · doi: 10.48550/arxiv.2107.08150 · pith_short_12: IU6SHTNFH6QM · pith_short_16: IU6SHTNFH6QMYUQB · pith_short_8: IU6SHTNF

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/IU6SHTNFH6QMYUQB2LRNBS27K4 \
  | 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: 453d23cda53fa0cc5201d2e2d0cb5f571b92759b59a2180404c4c83cd9ad41a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8a42ef8f0514040a0b2d2618c4eef35997a4f82ae66e8e9b7543d835bc9103f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-07-17T00:20:33Z",
    "title_canon_sha256": "e8d0519ce77b10e20b18a4b982daa1e2453780eeba0dfd819e4c7556fec0e446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.08150",
    "kind": "arxiv",
    "version": 2
  }
}