Pith Number

pith:F6PQIT4E

pith:2011:F6PQIT4EPARUMHXZILJBSFRLOA

not attested not anchored not stored refs pending

Historical light curve and search for previous outbursts of Nova KT Eridani (2009)

M. F. Bode, M. J. Darnley, R. Jurdana-Sepic, U. Munari, V. A. R. M. Ribeiro

arxiv:1110.4637 v1 · 2011-10-20 · 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{F6PQIT4EPARUMHXZILJBSFRLOA}

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	2026-05-18T03:08:16.095857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f9f044f847823461ef942d219162b701319aab6ae75f5cc2601e3d41d43921e

Aliases

arxiv: 1110.4637 · arxiv_version: 1110.4637v1 · doi: 10.48550/arxiv.1110.4637 · pith_short_12: F6PQIT4EPARU · pith_short_16: F6PQIT4EPARUMHXZ · pith_short_8: F6PQIT4E

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/F6PQIT4EPARUMHXZILJBSFRLOA \
  | 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: 2f9f044f847823461ef942d219162b701319aab6ae75f5cc2601e3d41d43921e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a86dc05225d7866d5843aac33bbc8e5d53004ad9a95a543409760059e328fa24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-20T20:00:05Z",
    "title_canon_sha256": "7e9d3222b7685d1ded4480617fe54068673bdea8c68be9c28ac963dfc345711f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4637",
    "kind": "arxiv",
    "version": 1
  }
}