Pith Number

pith:4L5L5SIL

pith:2015:4L5L5SILXZB2AY54AXAZRZJ2IE

not attested not anchored not stored refs pending

An Unbiased 1.3 mm Emission Line Survey of the Protoplanetary Disk Orbiting LkCa 15

G.G. Sacco, Joel H. Kastner, Kristina M. Punzi, Pierre Hily-Blant, Thierry Forveille

arxiv:1504.00061 v1 · 2015-03-31 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4L5L5SILXZB2AY54AXAZRZJ2IE}

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	2026-05-18T01:59:36.748225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2fabec90bbe43a063bc05c198e53a412ccc1abff00ea69306201c0f44be495b

Aliases

arxiv: 1504.00061 · arxiv_version: 1504.00061v1 · doi: 10.48550/arxiv.1504.00061 · pith_short_12: 4L5L5SILXZB2 · pith_short_16: 4L5L5SILXZB2AY54 · pith_short_8: 4L5L5SIL

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/4L5L5SILXZB2AY54AXAZRZJ2IE \
  | 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: e2fabec90bbe43a063bc05c198e53a412ccc1abff00ea69306201c0f44be495b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76eda740786918df290af30a7f48bbe2d56dffb6a37a150740d8b859b0edf584",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-03-31T22:55:42Z",
    "title_canon_sha256": "0a31349c5c06c195d50a8fafb42c6b26674865503b237ae5870307f8d4d730f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00061",
    "kind": "arxiv",
    "version": 1
  }
}