Pith Number

pith:24Q4Z7AM

pith:2015:24Q4Z7AMS2TRVKCFOGIB4IS7IV

not attested not anchored not stored refs pending

Getting to know Classical Novae with Swift

Julian P. Osborne

arxiv:1507.02153 v2 · 2015-07-08 · astro-ph.SR · 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{24Q4Z7AMS2TRVKCFOGIB4IS7IV}

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	2026-05-18T01:32:00.251615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d721ccfc0c96a71aa84571901e225f457b8f52d71048cc8f20a2b465aecfa800

Aliases

arxiv: 1507.02153 · arxiv_version: 1507.02153v2 · doi: 10.48550/arxiv.1507.02153 · pith_short_12: 24Q4Z7AMS2TR · pith_short_16: 24Q4Z7AMS2TRVKCF · pith_short_8: 24Q4Z7AM

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/24Q4Z7AMS2TRVKCFOGIB4IS7IV \
  | 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: d721ccfc0c96a71aa84571901e225f457b8f52d71048cc8f20a2b465aecfa800

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a3e0446414dc85c739cdaa8982904a4cfb1aef500c5714c86bb241ae38eff25",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-07-08T13:40:21Z",
    "title_canon_sha256": "ec7aa1f8e40fc3ed3494cc63a09ea7bf18649da0fb374189e43236e63573b91c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02153",
    "kind": "arxiv",
    "version": 2
  }
}