Pith Number

pith:EZXR2U63

pith:2017:EZXR2U637PBXUVUBABU7W3NFUF

not attested not anchored not stored refs pending

Probing gas and dust in the tidal tail of NGC 5221 with the type Ia supernova iPTF16abc

A. Goobar, C. Fremling, E. Freeland, L. Hangard, M. Bulla, M. Hayes, O. Fox, R. Amanullah, R. Ferretti, S. Borthakur, T. Petrushevska

arxiv:1708.07133 v1 · 2017-08-23 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZXR2U637PBXUVUBABU7W3NFUF}

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	2026-05-18T00:32:05.606855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

266f1d53dbfbc37a56810069fb6da5a157642763de6ee4931490f271a3a90586

Aliases

arxiv: 1708.07133 · arxiv_version: 1708.07133v1 · doi: 10.48550/arxiv.1708.07133 · pith_short_12: EZXR2U637PBX · pith_short_16: EZXR2U637PBXUVUB · pith_short_8: EZXR2U63

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/EZXR2U637PBXUVUBABU7W3NFUF \
  | 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: 266f1d53dbfbc37a56810069fb6da5a157642763de6ee4931490f271a3a90586

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18eba1799b4ade7aa185318484bc89583e23a24046a5aa11d21b83f1538317f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-08-23T18:00:40Z",
    "title_canon_sha256": "e856aad79f9904344ae326e4d08e8764dbf2d89b0d10b2d81c5bb9860801d9ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07133",
    "kind": "arxiv",
    "version": 1
  }
}