Pith Number

pith:IFYJIW3W

pith:2006:IFYJIW3WDI2GM4ZZA75JVJWJCH

not attested not anchored not stored refs pending

Revealing the Nature of Algol Disks through Optical and UV Spectroscopy, Synthetic Spectra, and Tomography of TT Hydrae

Brendan Miller, Geraldine J. Peters, Jan Budaj, Mercedes Richards, Pavel Koubsky

arxiv:astro-ph/0611351 v1 · 2006-11-10 · 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{IFYJIW3WDI2GM4ZZA75JVJWJCH}

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	2026-07-04T15:52:24.634891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4170945b761a3466733907fa9aa6c911ea16863ef5974ad8a780ae21c1280c27

Aliases

arxiv: astro-ph/0611351 · arxiv_version: astro-ph/0611351v1 · doi: 10.48550/arxiv.astro-ph/0611351 · pith_short_12: IFYJIW3WDI2G · pith_short_16: IFYJIW3WDI2GM4ZZ · pith_short_8: IFYJIW3W

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/IFYJIW3WDI2GM4ZZA75JVJWJCH \
  | 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: 4170945b761a3466733907fa9aa6c911ea16863ef5974ad8a780ae21c1280c27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5814fad2c5c23b5df6dd515ac4d70aeee4bb64ed1d19cebc969ab2fffe0a6d0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-10T20:48:22Z",
    "title_canon_sha256": "66a38b4857c8c3599dcc36bb8748db0045af7b009225a22e67c24d7830e0a7cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611351",
    "kind": "arxiv",
    "version": 1
  }
}