Pith Number

pith:I2TEOIWZ

pith:2015:I2TEOIWZUVQQ7334UIP37RE3UQ

not attested not anchored not stored refs pending

Do open clusters have distinguishable chemical signatures?

C. Soubiran, S. Blanco-Cuaresma, U. Heiter

arxiv:1507.06294 v2 · 2015-07-22 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I2TEOIWZUVQQ7334UIP37RE3UQ}

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	2026-05-18T01:36:17.651443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46a64722d9a5610fef7ca21fbfc49ba42da0f4a5413db6b96746bdb2869f3592

Aliases

arxiv: 1507.06294 · arxiv_version: 1507.06294v2 · doi: 10.48550/arxiv.1507.06294 · pith_short_12: I2TEOIWZUVQQ · pith_short_16: I2TEOIWZUVQQ7334 · pith_short_8: I2TEOIWZ

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/I2TEOIWZUVQQ7334UIP37RE3UQ \
  | 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: 46a64722d9a5610fef7ca21fbfc49ba42da0f4a5413db6b96746bdb2869f3592

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7682dff338aee2b8d18004d7ae964017ee0013855545a7e42a38342c84af33d5",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-07-22T19:38:08Z",
    "title_canon_sha256": "9d1ef4a63fb0e047d53dcff7af7a638724e09c67b13a1557a7db252119ab917c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06294",
    "kind": "arxiv",
    "version": 2
  }
}