Pith Number

pith:DOJVFT75

pith:2007:DOJVFT75FTLZE25IKCQQLUGK5D

not attested not anchored not stored refs pending

Central Compact Objects in Supernova Remnants

Andrea De Luca (INAF/Iasf Milano, Iuss Pavia)

arxiv:0712.2209 v1 · 2007-12-13 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DOJVFT75FTLZE25IKCQQLUGK5D}

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	2026-07-04T15:23:48.805208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b9352cffd2cd7926ba850a105d0cae8f6f797a56c3c6aa0bbf5a611ef064e9c

Aliases

arxiv: 0712.2209 · arxiv_version: 0712.2209v1 · doi: 10.48550/arxiv.0712.2209 · pith_short_12: DOJVFT75FTLZ · pith_short_16: DOJVFT75FTLZE25I · pith_short_8: DOJVFT75

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/DOJVFT75FTLZE25IKCQQLUGK5D \
  | 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: 1b9352cffd2cd7926ba850a105d0cae8f6f797a56c3c6aa0bbf5a611ef064e9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eefc70cd4f6bd5b84e9f2910766b94bb8a640ca37c7f6cd75ec256710e0826dd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-12-13T19:32:30Z",
    "title_canon_sha256": "6141c1e75859cdd0f32393c1a1851f8f328d90a39dfcef2ccf2d5a85b8c463dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.2209",
    "kind": "arxiv",
    "version": 1
  }
}