Pith Number

pith:R4ABC7CK

pith:2014:R4ABC7CKIY5BL7DO4KB23U3TJD

not attested not anchored not stored refs pending

Reconstructing the star formation history of the Milky Way disc(s) from chemical abundances

A. G\'omez, D. Katz, F. Combes, M. D. Lehnert, M. Haywood, O. Snaith, P. Di Matteo

arxiv:1410.3829 v2 · 2014-10-14 · astro-ph.GA

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

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	2026-05-18T01:55:42.778445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f00117c4a463a15fc6ee283add37348ed17e8f60c5bb3fda7e2ace3cc28cf71

Aliases

arxiv: 1410.3829 · arxiv_version: 1410.3829v2 · doi: 10.48550/arxiv.1410.3829 · pith_short_12: R4ABC7CKIY5B · pith_short_16: R4ABC7CKIY5BL7DO · pith_short_8: R4ABC7CK

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/R4ABC7CKIY5BL7DO4KB23U3TJD \
  | 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: 8f00117c4a463a15fc6ee283add37348ed17e8f60c5bb3fda7e2ace3cc28cf71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fbb8d3a8481a78de1d899747f4790dca24f50912013a9b25cd81b0f887fc19a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-10-14T20:00:05Z",
    "title_canon_sha256": "0fae48f68af9cb456c12ca275035a3c04a1dfca6ffa7df1dc22375ab9260045f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.3829",
    "kind": "arxiv",
    "version": 2
  }
}