Pith Number

pith:2WQ7NIKB

pith:2017:2WQ7NIKBGQRCXOOF6VYP4GO43I

not attested not anchored not stored refs pending

First-principles modeling of the Invar effect in Fe65Ni35 by the spin-wave method

Andrei V. Ruban

arxiv:1701.00618 v5 · 2017-01-03 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2WQ7NIKBGQRCXOOF6VYP4GO43I}

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	2026-05-18T00:43:29.389447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5a1f6a14134222bb9c5f570fe19dcda30ed0eb0dcad9e7e9610ad380b9ce9ce

Aliases

arxiv: 1701.00618 · arxiv_version: 1701.00618v5 · doi: 10.48550/arxiv.1701.00618 · pith_short_12: 2WQ7NIKBGQRC · pith_short_16: 2WQ7NIKBGQRCXOOF · pith_short_8: 2WQ7NIKB

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/2WQ7NIKBGQRCXOOF6VYP4GO43I \
  | 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: d5a1f6a14134222bb9c5f570fe19dcda30ed0eb0dcad9e7e9610ad380b9ce9ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4039fde013643a7774025c18741035f63f7b43d36068694aaaee07d139f5824c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2017-01-03T10:15:18Z",
    "title_canon_sha256": "13bf41fc00fcbd3c83e1f26108f4c00ea9b7ff24bf458cf80370c02cf0ca4283"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00618",
    "kind": "arxiv",
    "version": 5
  }
}