Pith Number

pith:NLPXFCF4

pith:2021:NLPXFCF4556HL2GYAQFHRJWZE2

not attested not anchored not stored refs pending

V488 Per revisited: no strong mid-infrared emission features and no evidence for stellar/sub-stellar companions

Andrew W. Howard, Beth L. Klein, B. J. Fulton, B. Zuckerman, Carl Melis, Inseok Song, Swetha Sankar

arxiv:2108.03700 v1 · 2021-08-08 · 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{NLPXFCF4556HL2GYAQFHRJWZE2}

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	2026-07-05T03:36:10.464009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6adf7288bcef7c75e8d8040a78a6d926ba16365adbf0ba92922a380564391882

Aliases

arxiv: 2108.03700 · arxiv_version: 2108.03700v1 · doi: 10.48550/arxiv.2108.03700 · pith_short_12: NLPXFCF4556H · pith_short_16: NLPXFCF4556HL2GY · pith_short_8: NLPXFCF4

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/NLPXFCF4556HL2GYAQFHRJWZE2 \
  | 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: 6adf7288bcef7c75e8d8040a78a6d926ba16365adbf0ba92922a380564391882

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80117cf15a45658c41676818ac65c69d3842c623df637ec707a764175d0f92a0",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-08-08T18:03:16Z",
    "title_canon_sha256": "15823f848c64082e748e59f7018dae79b812d7811ed671df97d40bddd4c1429f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.03700",
    "kind": "arxiv",
    "version": 1
  }
}