Pith Number

pith:XIQFA7LF

pith:2017:XIQFA7LFRGZOPLUJLILQ2DNYVG

not attested not anchored not stored refs pending

Nebular-Phase Spectra of Nearby Type Ia Supernovae

Alexei V. Filippenko, Curtis McCully, Daichi Hiramatsu, D. Andrew Howell, David J. Sand, Griffin Hosseinzadeh, Iair Arcavi, Jerod T. Parrent, Melissa L. Graham, Sahana Kumar, Stefano Valenti

arxiv:1708.07799 v1 · 2017-08-25 · 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{XIQFA7LFRGZOPLUJLILQ2DNYVG}

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	2026-05-18T00:31:11.916605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba20507d6589b2e7ae895a170d0db8a9aee05e54f3139a00cfb226c0c54f02b4

Aliases

arxiv: 1708.07799 · arxiv_version: 1708.07799v1 · doi: 10.48550/arxiv.1708.07799 · pith_short_12: XIQFA7LFRGZO · pith_short_16: XIQFA7LFRGZOPLUJ · pith_short_8: XIQFA7LF

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/XIQFA7LFRGZOPLUJLILQ2DNYVG \
  | 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: ba20507d6589b2e7ae895a170d0db8a9aee05e54f3139a00cfb226c0c54f02b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "607ba377ae1e2283d3330b65e21bbfbc3374ecfe362135ea0fca30b12e3d63e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-08-25T16:24:44Z",
    "title_canon_sha256": "7ae360461ff2149e2f49f75e16735f976b4351944f40bed7cb04aa97f78f3019"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07799",
    "kind": "arxiv",
    "version": 1
  }
}