Pith Number

pith:77HGGELY

pith:2015:77HGGELY5ZRD43S3ICKBCQAOCP

not attested not anchored not stored refs pending

On the nature of the tertiary companion to FW Tau: ALMA CO observations and SED modeling

Adam Hardy, Antonio Hales, Christophe Pinte, Claudio Caceres, Francois Menard, Hector Canovas, Jonathan P. Williams, Lucas A. Cieza, Matthias R. Schreiber, Zahed Wahhaj

arxiv:1504.05644 v2 · 2015-04-22 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77HGGELY5ZRD43S3ICKBCQAOCP}

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	2026-05-18T01:58:26.712546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffce631178ee623e6e5b409411400e13ec5a90161badda2d4792c66451c34391

Aliases

arxiv: 1504.05644 · arxiv_version: 1504.05644v2 · doi: 10.48550/arxiv.1504.05644 · pith_short_12: 77HGGELY5ZRD · pith_short_16: 77HGGELY5ZRD43S3 · pith_short_8: 77HGGELY

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/77HGGELY5ZRD43S3ICKBCQAOCP \
  | 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: ffce631178ee623e6e5b409411400e13ec5a90161badda2d4792c66451c34391

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "867ef8b9dcba637604cc4182cc7ab5793e9ea9598bea84560bd15ef192e3d76b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-04-22T03:32:24Z",
    "title_canon_sha256": "02fdf4d9b01fb869eb22eb26315c88e5a60f2b2e19b25e1c71b420b7f6ef607d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05644",
    "kind": "arxiv",
    "version": 2
  }
}