Pith Number

pith:2VJI7XIU

pith:2018:2VJI7XIUCPYTC7TDWMCLNZ7WII

not attested not anchored not stored refs pending

Core-collapse supernovae ages and metallicities from emission-line diagnostics of nearby stellar populations

Elizabeth R. Stanway, J.J. Eldridge, L. Galbany, Lin Xiao

arxiv:1805.01213 v2 · 2018-05-03 · 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{2VJI7XIUCPYTC7TDWMCLNZ7WII}

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	2026-05-18T00:01:29.741237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5528fdd1413f1317e63b304b6e7f6423c264f1c581032a201b49175222a056b

Aliases

arxiv: 1805.01213 · arxiv_version: 1805.01213v2 · doi: 10.48550/arxiv.1805.01213 · pith_short_12: 2VJI7XIUCPYT · pith_short_16: 2VJI7XIUCPYTC7TD · pith_short_8: 2VJI7XIU

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/2VJI7XIUCPYTC7TDWMCLNZ7WII \
  | 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: d5528fdd1413f1317e63b304b6e7f6423c264f1c581032a201b49175222a056b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "886fc278a61aa3ab65b6b367fd4f9c4adb155efc197c33fc9bdbaf91713e2e7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-03T10:47:22Z",
    "title_canon_sha256": "c0902ca63f58e0fb1fed0e0a76700cdfbe3275be9e39a2a8806f6680e94e602b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01213",
    "kind": "arxiv",
    "version": 2
  }
}