Pith Number

pith:S75MIIJP

pith:2013:S75MIIJPYEKG2BXVB52AVMTSII

not attested not anchored not stored refs pending

Photo-Met: a non-parametric method for estimating stellar metallicity from photometric observations

Gy\"ongyi Kerekes, Istv\'an Csabai, L\'aszl\'o Dobos, M\'arton Trencs\'eni

arxiv:1305.2188 v1 · 2013-05-09 · astro-ph.IM · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S75MIIJPYEKG2BXVB52AVMTSII}

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	2026-05-18T01:50:04.039843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97fac4212fc1146d06f50f740ab2724207c62475c15b2d3b34bf9f9d68213759

Aliases

arxiv: 1305.2188 · arxiv_version: 1305.2188v1 · doi: 10.48550/arxiv.1305.2188 · pith_short_12: S75MIIJPYEKG · pith_short_16: S75MIIJPYEKG2BXV · pith_short_8: S75MIIJP

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/S75MIIJPYEKG2BXVB52AVMTSII \
  | 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: 97fac4212fc1146d06f50f740ab2724207c62475c15b2d3b34bf9f9d68213759

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bdb5325a9cabc8e37518479fb1606c3ad82123cf5d960862cfa68d108548480",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-05-09T19:30:06Z",
    "title_canon_sha256": "9e4eb4d809e32e0f5536c09a09acec0b8d295ca90757c84e5c0fc8b3858b4936"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2188",
    "kind": "arxiv",
    "version": 1
  }
}