Pith Number

pith:PTRD55WI

pith:2014:PTRD55WISG7YUMR2WSNSLD6C4P

not attested not anchored not stored refs pending

Infrared phonon spectrum of the tetragonal helimagnet Ba$_2$CuGe$_2$O$_7$

A. Nucara, A. Vecchione, G. Balakhrisnan, J. Lorenzana, L. Baldassarre, P. Calvani, R. Fittipaldi, S. Koval, W. S. Mohamed

arxiv:1405.4610 v1 · 2014-05-19 · 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{PTRD55WISG7YUMR2WSNSLD6C4P}

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	2026-05-18T01:55:33.875965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ce23ef6c891bf8a323ab49b258fc2e3c4a05033b6d995712f52005a49db5e53

Aliases

arxiv: 1405.4610 · arxiv_version: 1405.4610v1 · doi: 10.48550/arxiv.1405.4610 · pith_short_12: PTRD55WISG7Y · pith_short_16: PTRD55WISG7YUMR2 · pith_short_8: PTRD55WI

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/PTRD55WISG7YUMR2WSNSLD6C4P \
  | 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: 7ce23ef6c891bf8a323ab49b258fc2e3c4a05033b6d995712f52005a49db5e53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "799782f9a1846dae5007ad1f5a9ea5d22df88e87a59d8e070d796f2042413a78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2014-05-19T05:57:20Z",
    "title_canon_sha256": "33d217471d2529b8ec5a4d59dae9cf1e12a764d737e5a76a537dbe4ab4092cf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4610",
    "kind": "arxiv",
    "version": 1
  }
}