Pith Number

pith:4QT2YTTF

pith:2016:4QT2YTTFRIWGP54UUT4POXVUQE

not attested not anchored not stored refs pending

Supernova Progenitors, Their Variability, and the Type IIP Supernova ASASSN-16fq in M66

(10) Department of Astronomy, (11) Carnegie Observatories), 2), 2) ((1) Department of Astronomy, (2) Center for Cosmology, (3) Institute of Astronomy, (4) Cahill Center for Astrophysics, (5) Nucleo de Astronomia de la Facultad de Ingenieria, (6) Millennium Institute of Astrophysics, 7), (7) Instituto de Astrofisica, (8) Runaway Bay Observatory, (9) Kavli Institute for Astronomy, AstroParticle Physics, Astrophysics, B.J. Shappee (11), California Institute of Technology, C.S. Kochanek (1, G. Bock (8), J.L. Prieto (5.6), J.S. Brown (1), K.Z. Stanek (1, M. Fraser (3), Peking University, Pontifica Universidad Catolica de Chile, R. Khan (10), S.M. Adams (4), Subo Dong (9), The Ohio State University, T. Muller (6, T. Sukhbold (1, T.W.-S. Holoien (1), Universidad Diego Portales, University of Cambridge, University of Washington

arxiv:1609.00022 v1 · 2016-08-31 · astro-ph.SR · astro-ph.GA · 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{4QT2YTTFRIWGP54UUT4POXVUQE}

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	2026-05-18T00:48:17.208115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e427ac4e658a2c67f794a4f8f75eb4811b815c1e47a26f70a5f604ab0fa5e792

Aliases

arxiv: 1609.00022 · arxiv_version: 1609.00022v1 · doi: 10.48550/arxiv.1609.00022 · pith_short_12: 4QT2YTTFRIWG · pith_short_16: 4QT2YTTFRIWGP54U · pith_short_8: 4QT2YTTF

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/4QT2YTTFRIWGP54UUT4POXVUQE \
  | 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: e427ac4e658a2c67f794a4f8f75eb4811b815c1e47a26f70a5f604ab0fa5e792

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa5ec0a01c765d840e35aa700865d5d5d0e2210ac34965c5b4f17985eba89f7a",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-08-31T20:02:32Z",
    "title_canon_sha256": "ba7cc0e86e303a4db11f7f4dfce46b5ed51b474e2e8fcc402f8cb611860c887d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00022",
    "kind": "arxiv",
    "version": 1
  }
}