Pith Number

pith:7DR7NL26

pith:2018:7DR7NL26ZUTLHCDWF7LTETDOIA

not attested not anchored not stored refs pending

Progenitors of Core-Collapse Supernovae

Andrea Cristini, Casey Meakin, Cyril Georgy, David Arnett, Ian Walkington, Raphael Hirschi

arxiv:1802.07503 v1 · 2018-02-21 · 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{7DR7NL26ZUTLHCDWF7LTETDOIA}

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	2026-05-18T00:22:50.094061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8e3f6af5ecd26b388762fd7324c6e40234b5dda12c6cfe87a8298bb2907e19e

Aliases

arxiv: 1802.07503 · arxiv_version: 1802.07503v1 · doi: 10.48550/arxiv.1802.07503 · pith_short_12: 7DR7NL26ZUTL · pith_short_16: 7DR7NL26ZUTLHCDW · pith_short_8: 7DR7NL26

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/7DR7NL26ZUTLHCDWF7LTETDOIA \
  | 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: f8e3f6af5ecd26b388762fd7324c6e40234b5dda12c6cfe87a8298bb2907e19e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47defc00ec1b1d4837f563c3dd0ca0ddee5702c63c94f3ed94ef8310c136e4da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-21T10:39:40Z",
    "title_canon_sha256": "49e87e1fc91b036cf347b26c07f76c1a1aa1b7b5ebfefc0e3ead56afea1ec718"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07503",
    "kind": "arxiv",
    "version": 1
  }
}