Pith Number

pith:FTPVVF6N

pith:2006:FTPVVF6NF5TSI3SEOPE3IIUKCW

not attested not anchored not stored refs pending

A transient I band excess in the optical spectrum of the accreting millisecond pulsar SAX J1808.4-3658

2), A. B. Giles (1, C. Coutures (3) ((1) University of Tasmania (2) Spurion Technology (3) CEA / Saclay), J. G. Greenhill (1)

arxiv:astro-ph/0602354 v2 · 2006-02-16 · 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{FTPVVF6NF5TSI3SEOPE3IIUKCW}

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	2026-07-04T16:57:59.790198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cdf5a97cd2f67246e4473c9b4228a15bd2a6d6e158eac59fae43d9d83bb8f5a

Aliases

arxiv: astro-ph/0602354 · arxiv_version: astro-ph/0602354v2 · doi: 10.48550/arxiv.astro-ph/0602354 · pith_short_12: FTPVVF6NF5TS · pith_short_16: FTPVVF6NF5TSI3SE · pith_short_8: FTPVVF6N

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/FTPVVF6NF5TSI3SEOPE3IIUKCW \
  | 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: 2cdf5a97cd2f67246e4473c9b4228a15bd2a6d6e158eac59fae43d9d83bb8f5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ee26b2a0ce8eb2ab9b12a5673eef554c56aa43ac83a60a63c7a3bda5ae1ffda",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-02-16T00:08:30Z",
    "title_canon_sha256": "29e66a0be3e31b7e75a5245b50070ca01ad92bdbb9f1a48cc68289a1a5f63223"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0602354",
    "kind": "arxiv",
    "version": 2
  }
}