Pith Number

pith:DRM5EJDD

pith:2017:DRM5EJDD42652UT26JFZ5TPJEY

not attested not anchored not stored refs pending

Evidence of a substellar companion around a very young T Tauri star

C. Melo, J. F. Gameiro, N. C. Santos, P. Figueira, P. P. Petrov, P. Viana Almeida, S. H. P. Alencar

arxiv:1701.02713 v1 · 2017-01-10 · astro-ph.SR · 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{DRM5EJDD42652UT26JFZ5TPJEY}

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	2026-05-18T00:46:38.038098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c59d22463e6bddd527af24b9ecde9263d5bd1ac1aa578ab1d7053a78f49d73f

Aliases

arxiv: 1701.02713 · arxiv_version: 1701.02713v1 · doi: 10.48550/arxiv.1701.02713 · pith_short_12: DRM5EJDD4265 · pith_short_16: DRM5EJDD42652UT2 · pith_short_8: DRM5EJDD

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/DRM5EJDD42652UT26JFZ5TPJEY \
  | 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: 1c59d22463e6bddd527af24b9ecde9263d5bd1ac1aa578ab1d7053a78f49d73f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "692af6ee344e96e6433558e1c0de345fff867dce47c306810acadc5f90e69410",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-01-10T18:17:36Z",
    "title_canon_sha256": "d64662013eede36aaabfb55b9e17e53fb191095946603a25a06ca6b4969dac19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02713",
    "kind": "arxiv",
    "version": 1
  }
}