Pith Number

pith:FQQSMSRM

pith:2016:FQQSMSRMCEI5E2MPOYG7BL4JAR

not attested not anchored not stored refs pending

Elemental partitioning and isotopic fractionation of Zn between metal and silicate and geochemical estimation of the S content of the Earth's core

B. Mahan, E.A. Pringle, F. Moynier, J. Siebert

arxiv:1610.04463 v1 · 2016-10-14 · astro-ph.EP

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	2026-05-18T01:01:21.819520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c21264a2c1111d2698f760df0af89045b1f3c1305268ca754fc15bf7cf9edaa

Aliases

arxiv: 1610.04463 · arxiv_version: 1610.04463v1 · doi: 10.48550/arxiv.1610.04463 · pith_short_12: FQQSMSRMCEI5 · pith_short_16: FQQSMSRMCEI5E2MP · pith_short_8: FQQSMSRM

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/FQQSMSRMCEI5E2MPOYG7BL4JAR \
  | 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: 2c21264a2c1111d2698f760df0af89045b1f3c1305268ca754fc15bf7cf9edaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd5e82f2f762724f0d1f1218dab6e63fd1c0cf3218619acd1168e504a1cd5089",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-10-14T13:51:35Z",
    "title_canon_sha256": "efe0514094497210592cc9dbe6730409a84024812f6bb4257ff9ea8f8d00991d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04463",
    "kind": "arxiv",
    "version": 1
  }
}