Pith Number

pith:4W5T3LIG

pith:2015:4W5T3LIG2LWPIYFP2TCKB2W3BD

not attested not anchored not stored refs pending

A New Method for Characterizing Very-Low-Mass Companions with Low Resolution Near-Infrared Spectroscopy

Emily L. Rice (CUNY CSI), Lewis C. Roberts Jr. (JPL/Caltech), Neil Zimmerman (Princeton), Rebecca Oppenheimer (AMNH), Sasha Hinkley (Exeter)

arxiv:1504.05201 v2 · 2015-04-20 · 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{4W5T3LIG2LWPIYFP2TCKB2W3BD}

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	2026-05-18T01:19:30.293621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5bb3dad06d2ecf460afd4c4a0eadb08ee91c3ed808451bda3a51c2f06e1b2c8

Aliases

arxiv: 1504.05201 · arxiv_version: 1504.05201v2 · doi: 10.48550/arxiv.1504.05201 · pith_short_12: 4W5T3LIG2LWP · pith_short_16: 4W5T3LIG2LWPIYFP · pith_short_8: 4W5T3LIG

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/4W5T3LIG2LWPIYFP2TCKB2W3BD \
  | 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: e5bb3dad06d2ecf460afd4c4a0eadb08ee91c3ed808451bda3a51c2f06e1b2c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dfdb3026683b9fcb6209c105fe790b53c32073876db8dd46e3543604164bf41",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-20T20:01:48Z",
    "title_canon_sha256": "52d510dc8e45fa5ec9a884c85c96da5bbb22cc7340f7c487f2c88027d995909c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05201",
    "kind": "arxiv",
    "version": 2
  }
}