Pith Number

pith:2KDQYLUX

pith:1999:2KDQYLUXRGM4NRSEV43WVMVSMG

not attested not anchored not stored refs pending

Possibility of the detection of classical novae with the shield of the INTEGRAL-spectrometer SPI

G.G. Lichti, G. Vedrenne, J. Gomez-Gomar, J. Isern, J. Jose, M. Hernanz, P. Jean, P. Mandrou, R. Georgii, V. Schonfelder

arxiv:astro-ph/9903015 v1 · 1999-03-01 · 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{2KDQYLUXRGM4NRSEV43WVMVSMG}

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	2026-07-04T14:16:35.191000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2870c2e978999c6c644af376ab2b2618ca372d35cd36a8e4401a99535141640

Aliases

arxiv: astro-ph/9903015 · arxiv_version: astro-ph/9903015v1 · doi: 10.48550/arxiv.astro-ph/9903015 · pith_short_12: 2KDQYLUXRGM4 · pith_short_16: 2KDQYLUXRGM4NRSE · pith_short_8: 2KDQYLUX

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/2KDQYLUXRGM4NRSEV43WVMVSMG \
  | 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: d2870c2e978999c6c644af376ab2b2618ca372d35cd36a8e4401a99535141640

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07a97318d5fc13906b5c4b02646f85abd7f9db769081a4d7cd30622af32bec6b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-03-01T17:04:28Z",
    "title_canon_sha256": "2ddcf25f5c5fb699eada805d80d1fcae042047a7462032dc23fa496fd848175d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9903015",
    "kind": "arxiv",
    "version": 1
  }
}