Pith Number

pith:XED7GIKK

pith:2015:XED7GIKKQOPUWPDCWRWAZYDWH2

not attested not anchored not stored refs pending

Life after eruption - V. Spectroscopy of eight candidate old novae with Gemini-South

A. Ederoclite, C. Tappert, L. Schmidtobreick, N. Vogt

arxiv:1503.01749 v2 · 2015-03-05 · 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{XED7GIKKQOPUWPDCWRWAZYDWH2}

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	2026-05-18T01:40:53.225645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b907f3214a839f4b3c62b46c0ce0763eb0877d473c6072173222cf3ebfcd41fa

Aliases

arxiv: 1503.01749 · arxiv_version: 1503.01749v2 · doi: 10.48550/arxiv.1503.01749 · pith_short_12: XED7GIKKQOPU · pith_short_16: XED7GIKKQOPUWPDC · pith_short_8: XED7GIKK

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/XED7GIKKQOPUWPDCWRWAZYDWH2 \
  | 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: b907f3214a839f4b3c62b46c0ce0763eb0877d473c6072173222cf3ebfcd41fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f4cdd95921761eeab820b31e01e86a7bd123d272951c38b3883a3e1687f4b7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-03-05T20:11:28Z",
    "title_canon_sha256": "0443143773b31449018489b7c74e1d119d1235d8bf18c7b450d2ee1b765a1775"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01749",
    "kind": "arxiv",
    "version": 2
  }
}