Pith Number

pith:UFMHDHUD

pith:2016:UFMHDHUD7UIG4XONKQZCRL3A6R

not attested not anchored not stored refs pending

Core-collapse supernova progenitor constraints using the spatial distributions of massive stars in local galaxies

A. Thompson, C. Gonz\'alez-Fern\'andez, E. Kankare, J. R. Maund, L. Portinari, M. Fraser, P. James, R. G. Izzard, S. Mattila, T. Kangas

arxiv:1608.06097 v1 · 2016-08-22 · astro-ph.SR · astro-ph.GA · 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{UFMHDHUD7UIG4XONKQZCRL3A6R}

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	2026-05-18T00:53:07.690825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a158719e83fd106e5dcd543228af60f4515008af4476288c55dcdea87fc17f24

Aliases

arxiv: 1608.06097 · arxiv_version: 1608.06097v1 · doi: 10.48550/arxiv.1608.06097 · pith_short_12: UFMHDHUD7UIG · pith_short_16: UFMHDHUD7UIG4XON · pith_short_8: UFMHDHUD

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/UFMHDHUD7UIG4XONKQZCRL3A6R \
  | 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: a158719e83fd106e5dcd543228af60f4515008af4476288c55dcdea87fc17f24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b113d66027b5de1274bb0626e6ce94a8eddaaab83c005ccf0685ab969e73feb3",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-08-22T09:36:16Z",
    "title_canon_sha256": "f96ade109739c245dda51a3f77d4db7e4542010bb0e6305580648ccf4f0b9ef4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06097",
    "kind": "arxiv",
    "version": 1
  }
}