Pith Number

pith:5RMWFSXP

pith:2008:5RMWFSXPR5JS6FQCYDTGXLNZU4

not attested not anchored not stored refs pending

The Keck Aperture Masking Experiment: spectro-interferometry of 3 Mira Variables from 1.1 to 3.8 microns

C. H. Townes, H. C. Woodruff, J. D. Monnier, M. J. Ireland, M. Scholz, P. G. Tuthill, P. R. Wood, T. R. Bedding, W. C. Danchi

arxiv:0811.1642 v1 · 2008-11-11 · 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{5RMWFSXPR5JS6FQCYDTGXLNZU4}

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	2026-05-18T04:29:25.258777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec5962caef8f532f1602c0e66badb9a728cb544f1b3389542950c2364cb8b4e6

Aliases

arxiv: 0811.1642 · arxiv_version: 0811.1642v1 · doi: 10.48550/arxiv.0811.1642 · pith_short_12: 5RMWFSXPR5JS · pith_short_16: 5RMWFSXPR5JS6FQC · pith_short_8: 5RMWFSXP

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/5RMWFSXPR5JS6FQCYDTGXLNZU4 \
  | 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: ec5962caef8f532f1602c0e66badb9a728cb544f1b3389542950c2364cb8b4e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffb5fcc2118c13051b09bf27132785b1500198c34defa5bc56bcdd0eb612cc38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-11T07:44:07Z",
    "title_canon_sha256": "71fd1b88b5dd72a77b9ceff29b73e7cc49e48dae184bf7c9aec2762ca2835f5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1642",
    "kind": "arxiv",
    "version": 1
  }
}