Pith Number

pith:IE4K435M

pith:2009:IE4K435MOUMBO4WQOUG47BTJXN

not attested not anchored not stored refs pending

Changes in the red giant and dusty environment of the recurrent nova RS Ophiuchi following the 2006 eruption

A. Evans, B. Kaminsky, C. E. Woodward, D. K. Lynch, M. L. Sitko, M. T. Rushton, R. J. Rudy, R. W. Russell, S. P. S. Eyres, T. Kerr, Ya. V. Pavlenko

arxiv:0909.1271 v1 · 2009-09-07 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IE4K435MOUMBO4WQOUG47BTJXN}

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	2026-05-18T02:11:58.992948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4138ae6fac75181772d0750dcf8669bb41284e612719a54c42ce5ea18e1d37c9

Aliases

arxiv: 0909.1271 · arxiv_version: 0909.1271v1 · doi: 10.48550/arxiv.0909.1271 · pith_short_12: IE4K435MOUMB · pith_short_16: IE4K435MOUMBO4WQ · pith_short_8: IE4K435M

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/IE4K435MOUMBO4WQOUG47BTJXN \
  | 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: 4138ae6fac75181772d0750dcf8669bb41284e612719a54c42ce5ea18e1d37c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67ddf906001ea00488539db3807a292011f88d2499727e2df1c3d8d154ae111a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-07T15:45:20Z",
    "title_canon_sha256": "ac9e25f4cd27219876b6aaab962b75f72d1673d1d60aaa2c9cbef46cd6e5c235"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1271",
    "kind": "arxiv",
    "version": 1
  }
}