Pith Number

pith:DRKUEL6K

pith:2018:DRKUEL6KPUF4N6KBHQNYM4MHGA

not attested not anchored not stored refs pending

Near-infrared spectral evolution of the Type Ia supernova 2014J in the nebular phase: implications for the progenitor system

B. Hristov, C. Ashall, C. L. Gerardy, D. C. Collins, D. J. Sand, E. Y. Hsiao, G. H. Marion, G. Sonneborn, M. M. Phillips, M. Stritzinger, N. Morrell, P. Hoeflich, R. B. Penney, T. R. Diamond

arxiv:1805.03556 v2 · 2018-05-09 · 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{DRKUEL6KPUF4N6KBHQNYM4MHGA}

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	2026-05-18T00:09:59.348727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c55422fca7d0bc6f9413c1b8671873004e0906514e48d0db6d9bfca83157875

Aliases

arxiv: 1805.03556 · arxiv_version: 1805.03556v2 · doi: 10.48550/arxiv.1805.03556 · pith_short_12: DRKUEL6KPUF4 · pith_short_16: DRKUEL6KPUF4N6KB · pith_short_8: DRKUEL6K

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/DRKUEL6KPUF4N6KBHQNYM4MHGA \
  | 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: 1c55422fca7d0bc6f9413c1b8671873004e0906514e48d0db6d9bfca83157875

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76beae24d1aa18877c4fee9019a32956aa3e79bf98fd349647537a6fc13b7075",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-05-09T14:39:47Z",
    "title_canon_sha256": "02e3ca188bc7cd79e99127b11c79f4c6397d0779ef11de970bec2ba0366d348f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03556",
    "kind": "arxiv",
    "version": 2
  }
}