Pith Number

pith:Q6BO5QTD

pith:2015:Q6BO5QTDD2EQTYSALJXTRJK6KF

not attested not anchored not stored refs pending

Spectral Models for Early Time SN 2011fe Observations

A. Gal-Yam, D. A. Howell, E. Baron, E. Hsiao, I. Dominguez, K. Krisciunas, L. Wang, M. M. Phillips, M. Sullivan, N. Suntzeff, P. E. Nugent, P. Hoeflich Brian Friesen, R. C. Thomas, R. S. Ellis

arxiv:1508.04774 v3 · 2015-08-19 · astro-ph.SR · 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{Q6BO5QTDD2EQTYSALJXTRJK6KF}

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	2026-05-18T01:29:44.996143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8782eec2631e8909e2405a6f38a55e515c12eff759c8010d9987827f95656a62

Aliases

arxiv: 1508.04774 · arxiv_version: 1508.04774v3 · doi: 10.48550/arxiv.1508.04774 · pith_short_12: Q6BO5QTDD2EQ · pith_short_16: Q6BO5QTDD2EQTYSA · pith_short_8: Q6BO5QTD

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/Q6BO5QTDD2EQTYSALJXTRJK6KF \
  | 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: 8782eec2631e8909e2405a6f38a55e515c12eff759c8010d9987827f95656a62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a28f16b4f5732f8449a943a63ec12f126aaa9dcfdd02379d2069c5b66952aabe",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-08-19T20:08:19Z",
    "title_canon_sha256": "6a656c965a7825fd253bdfc41b3fe50e00d285e2f6a01e3b4fa3b2d21461bd5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04774",
    "kind": "arxiv",
    "version": 3
  }
}