Pith Number

pith:K6TD575K

pith:2015:K6TD575KZIFSDC4ACPNNAX44JB

not attested not anchored not stored refs pending

Extracting parameters from Colour-Magnitude Diagrams

C. Bonatto, E. Bica, F. Campos, S.O. Kepler

arxiv:1504.03520 v1 · 2015-04-14 · 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{K6TD575KZIFSDC4ACPNNAX44JB}

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	2026-05-18T02:04:05.577621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57a63effaaca0b218b8013dad05f9c487a226c9337698560bd785ad55a7e5d21

Aliases

arxiv: 1504.03520 · arxiv_version: 1504.03520v1 · doi: 10.48550/arxiv.1504.03520 · pith_short_12: K6TD575KZIFS · pith_short_16: K6TD575KZIFSDC4A · pith_short_8: K6TD575K

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/K6TD575KZIFSDC4ACPNNAX44JB \
  | 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: 57a63effaaca0b218b8013dad05f9c487a226c9337698560bd785ad55a7e5d21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be81b899884d80e3426d1ce7112b731d2d808af2cf902a01eef6a28f4682f0c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-14T12:41:14Z",
    "title_canon_sha256": "7e85a0737579d0d086aebcb1b00df0fda255da8a747ab623b1958dd4c87e926f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03520",
    "kind": "arxiv",
    "version": 1
  }
}