Pith Number

pith:7BCY2QFP

pith:2014:7BCY2QFPL65T6NCL2KNKIETI2K

not attested not anchored not stored refs pending

Equivalence between formulations in Cosmological Perturbation Theory: The primordial magnetic fields as an example

Hector J. Hortua, Leonardo Casta\~neda

arxiv:1407.5551 v1 · 2014-07-21 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7BCY2QFPL65T6NCL2KNKIETI2K}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:47:13.786996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8458d40af5fbb3f344bd29aa41268d2aeb0d23bf965988802aef71e9a3d4d48

Aliases

arxiv: 1407.5551 · arxiv_version: 1407.5551v1 · doi: 10.48550/arxiv.1407.5551 · pith_short_12: 7BCY2QFPL65T · pith_short_16: 7BCY2QFPL65T6NCL · pith_short_8: 7BCY2QFP

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/7BCY2QFPL65T6NCL2KNKIETI2K \
  | 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: f8458d40af5fbb3f344bd29aa41268d2aeb0d23bf965988802aef71e9a3d4d48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9843e60da8b480ceea75551480249009c83931535234375dbb67ba4c06da3598",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-07-21T16:26:23Z",
    "title_canon_sha256": "039314524dfc82f72ec03e94f346464486869dcbe1227373f850754ca65687bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5551",
    "kind": "arxiv",
    "version": 1
  }
}