Pith Number

pith:FUFTRO5B

pith:2020:FUFTRO5BSZF44GPASA2XZDGFWA

not attested not anchored not stored refs pending

The early discovery of SN 2017ahn: signatures of persistent interaction in a fast declining Type II supernova

A. Rau, C. McCully, D. A. Howell, D. E. Reichart, D. Hiramatsu, D. J. Sand, E. Y. Hsiao, F. F\"orster, G. Hosseinzadeh, H. Kuncarayakti, J. Burke, J. D. Lyman, J. Haislip, J. H. Groh, J. Strader, K. A. Bostroem, L. Galbany, L. Tartaglia, M. M. Phillips, M. Shahbandeh, P. J. Brown, S. Davis, S. D. Wyatt, S. Valenti, S. W. Jha, S. Yang, T. -W. Chen, V. Kouprianov

arxiv:2008.06515 v2 · 2020-08-14 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUFTRO5BSZF44GPASA2XZDGFWA}

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	2026-07-05T02:23:11.477993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d0b38bba1964bce19e090357c8cc5b0359f7e0e9964977dfcf54be401f6da38

Aliases

arxiv: 2008.06515 · arxiv_version: 2008.06515v2 · doi: 10.48550/arxiv.2008.06515 · pith_short_12: FUFTRO5BSZF4 · pith_short_16: FUFTRO5BSZF44GPA · pith_short_8: FUFTRO5B

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/FUFTRO5BSZF44GPASA2XZDGFWA \
  | 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: 2d0b38bba1964bce19e090357c8cc5b0359f7e0e9964977dfcf54be401f6da38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94d6380f86e76a3c04dcb0f6a89d65e2d628c59a9daf8f989ece26b60f11c5dd",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-08-14T18:00:03Z",
    "title_canon_sha256": "c3a254356f2bc379d715500f7a4d3493516e16285ebe69df994644de77aa13fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.06515",
    "kind": "arxiv",
    "version": 2
  }
}