Pith Number

pith:2BARWR3Z

pith:2014:2BARWR3ZEP6BLREIW2WLAU6I3F

not attested not anchored not stored refs pending

An ALMA Disk Mass for the Candidate Protoplanetary Companion to FW Tau

Adam L. Kraus, Brendan P. Bowler, Gregory Herczeg, Kelle L. Cruz, Michael C. Liu, Michael J. Ireland, Sean M. Andrews, Stanimir Metchev

arxiv:1412.2175 v1 · 2014-12-05 · astro-ph.EP · 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{2BARWR3ZEP6BLREIW2WLAU6I3F}

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	2026-05-18T01:41:21.226906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0411b477923fc15c488b6acb053c8d944cd79de79fdc5dd94dac436ad1425ab

Aliases

arxiv: 1412.2175 · arxiv_version: 1412.2175v1 · doi: 10.48550/arxiv.1412.2175 · pith_short_12: 2BARWR3ZEP6B · pith_short_16: 2BARWR3ZEP6BLREI · pith_short_8: 2BARWR3Z

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/2BARWR3ZEP6BLREIW2WLAU6I3F \
  | 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: d0411b477923fc15c488b6acb053c8d944cd79de79fdc5dd94dac436ad1425ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c82c9c53cd80ca2a06a2c5b508a5a0e69c668d3abc136ea3199127d4c23ae97",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-12-05T22:41:59Z",
    "title_canon_sha256": "0013e993c8e1b80c00e22e8b47c5a7f4dc5c418432b0d0baddeb7e50fee3140a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2175",
    "kind": "arxiv",
    "version": 1
  }
}