Pith Number

pith:ISTLPKUY

pith:2005:ISTLPKUYFQ4SEYP7VZAC6KTCDU

not attested not anchored not stored refs pending

Keck Interferometer Observations of FU Orionis Objects

A. Boden, A. Booth, A. Sargent, A. Tannirkulam, B. Mennesson, C. Beichman, C. Koresko, C. Neyman, D. Le Mignant, G. van Belle, G. Vasisht, J. D. Monnier, J. Gathright, J.-P. Berger, L. A. Hillenbrand, L. Hartmann, M. Colavita, M. Creech-Eakman, M. Hrynevych, M. Kuchner, M. Shao, M. Swain, N. Calvet, P. D'Alessio, P. G. Tuthill, P. Wizinowich, R. Billmeier, R. L. Akeson, R. Ligon, R. Millan-Gabet, R. Thompson, S. Melnikov, S. Unwin, W. A. Traub

arxiv:astro-ph/0512230 v1 · 2005-12-08 · 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{ISTLPKUYFQ4SEYP7VZAC6KTCDU}

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	2026-07-04T17:14:42.692916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44a6b7aa982c392261ffae402f2a621d093d49cfcbc9380951ca1f2827a9d4f4

Aliases

arxiv: astro-ph/0512230 · arxiv_version: astro-ph/0512230v1 · doi: 10.48550/arxiv.astro-ph/0512230 · pith_short_12: ISTLPKUYFQ4S · pith_short_16: ISTLPKUYFQ4SEYP7 · pith_short_8: ISTLPKUY

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/ISTLPKUYFQ4SEYP7VZAC6KTCDU \
  | 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: 44a6b7aa982c392261ffae402f2a621d093d49cfcbc9380951ca1f2827a9d4f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec1a7ebb06b42603e0efb70672c81f82607a99b15c476a139b9297e117d5add6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-08T18:14:19Z",
    "title_canon_sha256": "73f073ae0e47cc48b531bdf7098dfd0fd3fb58b1afcaf6cc873c97fc34b736bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512230",
    "kind": "arxiv",
    "version": 1
  }
}