Pith Number

pith:SBPXNPLO

pith:2019:SBPXNPLO7Y5R3IRGDUBPYIPILG

not attested not anchored not stored refs pending

Spectral library of age-benchmark low-mass stars and brown dwarfs

E. Manjavacas, M. Bonnefoy, M. R. Zapatero-Osorio, N. Lodieu, S.Boudreault, V. J. S. B\'ejar

arxiv:1912.02806 v1 · 2019-12-05 · 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{SBPXNPLO7Y5R3IRGDUBPYIPILG}

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	2026-07-05T00:31:35.453592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

905f76bd6efe3b1da2261d02fc21e8598b9496a120531cc33dc225b75dbb3ca2

Aliases

arxiv: 1912.02806 · arxiv_version: 1912.02806v1 · doi: 10.48550/arxiv.1912.02806 · pith_short_12: SBPXNPLO7Y5R · pith_short_16: SBPXNPLO7Y5R3IRG · pith_short_8: SBPXNPLO

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/SBPXNPLO7Y5R3IRGDUBPYIPILG \
  | 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: 905f76bd6efe3b1da2261d02fc21e8598b9496a120531cc33dc225b75dbb3ca2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "075dd0abc28702f24b2d22e6edd5f2d94fd52b55b64d31fc396117e7124d480d",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-12-05T18:54:16Z",
    "title_canon_sha256": "16a817c38e65ce6a0772f00d9d1d1b9e34f8e9123cdfa6d9611d19cfa742c406"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.02806",
    "kind": "arxiv",
    "version": 1
  }
}