pith. sign in
Pith Number

pith:B3VXMVRR

pith:2014:B3VXMVRRWQB2AOETDOVB5NYNAN
not attested not anchored not stored refs pending

Scaling the universe

Norman E. Frankel

arxiv:1401.6729 v5 · 2014-01-27 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{B3VXMVRRWQB2AOETDOVB5NYNAN}

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 2026-05-18T00:37:37.183390Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0eeb765631b403a038931baa1eb70d037886d81680376b38e82c82d2d46b26e0

Aliases

arxiv: 1401.6729 · arxiv_version: 1401.6729v5 · doi: 10.48550/arxiv.1401.6729 · pith_short_12: B3VXMVRRWQB2 · pith_short_16: B3VXMVRRWQB2AOET · pith_short_8: B3VXMVRR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/B3VXMVRRWQB2AOETDOVB5NYNAN \
  | 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: 0eeb765631b403a038931baa1eb70d037886d81680376b38e82c82d2d46b26e0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5d5a69e21fc44939c87130c8f9f63b5711a78397638713374e435d530380c41b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-01-27T03:29:43Z",
    "title_canon_sha256": "92930e9002fa4ab0bd9c36a91c764e01444cc95e90d52d5431c84042c1024d2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6729",
    "kind": "arxiv",
    "version": 5
  }
}