Pith Number

pith:ZQ3PN26V

pith:2011:ZQ3PN26V7WOWJRN33E3OI6CSBW

not attested not anchored not stored refs pending

Spectral Evolution of the Unusual Slow Nova V5558 Sgr

Daisaku Nogami, Hiroyuki Maehara, Jumpei Tanaka, Kazuhiro Nakajima, Kazuya Ayani, Mitsugu Fujii, Seiichiro Kiyota, Taichi Kato

arxiv:1105.1614 v1 · 2011-05-09 · 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{ZQ3PN26V7WOWJRN33E3OI6CSBW}

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	2026-05-18T02:02:02.639526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc36f6ebd5fd9d64c5bbd936e478520db04990a9da887b54265800b542541db1

Aliases

arxiv: 1105.1614 · arxiv_version: 1105.1614v1 · doi: 10.48550/arxiv.1105.1614 · pith_short_12: ZQ3PN26V7WOW · pith_short_16: ZQ3PN26V7WOWJRN3 · pith_short_8: ZQ3PN26V

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/ZQ3PN26V7WOWJRN33E3OI6CSBW \
  | 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: cc36f6ebd5fd9d64c5bbd936e478520db04990a9da887b54265800b542541db1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be56c8f0d5b6219840f72558d93bfed0de8e59d3485d74e42a894f95d53c03b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-09T10:07:43Z",
    "title_canon_sha256": "ec8539613ab1bf4d3f959b2f38692efb9b5cc565ce26a1385c9e1778aa269c68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1614",
    "kind": "arxiv",
    "version": 1
  }
}