Pith Number

pith:IH3NHHAE

pith:2015:IH3NHHAEAZ526TZWZ3SVHQ7DFJ

not attested not anchored not stored refs pending

PTF11iqb: Cool supergiant mass loss that bridges the gap between Type IIn and normal supernovae

Alexei V. Filippenko, Avishay Gal-Yam, Dong Xu, Douglas C. Leonard, G. Grant Williams, J. Chuck Horst, Jeffrey M. Silverman, Jennifer E. Andrews, Jon C. Mauerhan, Kate Maguire, Kelsey I. Clubb, Mansi M. Kasliwal, Mark Sullivan, Melissa L. Graham, Nathan Smith, Peter Nugent, Sagi Ben-Ami, S. Bradley Cenko, Shrinivas R. Kulkarni

arxiv:1501.02820 v1 · 2015-01-12 · 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{IH3NHHAEAZ526TZWZ3SVHQ7DFJ}

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	2026-05-18T01:41:11.442655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41f6d39c04067baf4f36cee553c3e32a75fe0c67aefe631bdd2a23e7e1d6948e

Aliases

arxiv: 1501.02820 · arxiv_version: 1501.02820v1 · doi: 10.48550/arxiv.1501.02820 · pith_short_12: IH3NHHAEAZ52 · pith_short_16: IH3NHHAEAZ526TZW · pith_short_8: IH3NHHAE

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/IH3NHHAEAZ526TZWZ3SVHQ7DFJ \
  | 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: 41f6d39c04067baf4f36cee553c3e32a75fe0c67aefe631bdd2a23e7e1d6948e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db9c377e71425fa0e0ab3325df87997c229240df95e5071aba5cc7800336e663",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-01-12T21:09:57Z",
    "title_canon_sha256": "491e0adb64521421bfa87fa280904f740e7fcaf4d2c3839f7aee18ae0ddd38e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02820",
    "kind": "arxiv",
    "version": 1
  }
}