Pith Number

pith:X2MSQC2M

pith:2013:X2MSQC2MXPAN4DO6CRIIZRKYAC

not attested not anchored not stored refs pending

A Near-Infrared Spectroscopic Study of Young Field Ultracool Dwarfs: Additional Analysis

K. N. Allers, Michael C. Liu

arxiv:1307.7153 v1 · 2013-07-26 · astro-ph.GA · 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{X2MSQC2MXPAN4DO6CRIIZRKYAC}

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	2026-05-18T03:17:24.017106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be99280b4cbbc0de0dde14508cc55800942fb278313e1112048dc7c9327025dc

Aliases

arxiv: 1307.7153 · arxiv_version: 1307.7153v1 · doi: 10.48550/arxiv.1307.7153 · pith_short_12: X2MSQC2MXPAN · pith_short_16: X2MSQC2MXPAN4DO6 · pith_short_8: X2MSQC2M

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/X2MSQC2MXPAN4DO6CRIIZRKYAC \
  | 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: be99280b4cbbc0de0dde14508cc55800942fb278313e1112048dc7c9327025dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3fc5f34613051ada6756f7318bc8d7e9e1cac8bab9b5a8358737a071fca140c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-07-26T20:06:55Z",
    "title_canon_sha256": "035c6add13d395519da95cfd7a3e0c382355f203673464c600de3f841c54c9d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7153",
    "kind": "arxiv",
    "version": 1
  }
}