Pith Number

pith:USFK7ALQ

pith:2009:USFK7ALQHTIQAC3FYUQBPL6D7A

not attested not anchored not stored refs pending

Isotope effect and bond-stretching phonon anomaly in high-Tc cuprates

M. Marinaro, R. Citro, S. Cojocaru

arxiv:0905.2820 v2 · 2009-05-18 · cond-mat.supr-con · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USFK7ALQHTIQAC3FYUQBPL6D7A}

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	2026-05-18T03:55:37.735119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a48aaf81703cd1000b65c52017afc3f83aa8704945a66ea37d7587d2f1ff669c

Aliases

arxiv: 0905.2820 · arxiv_version: 0905.2820v2 · doi: 10.48550/arxiv.0905.2820 · pith_short_12: USFK7ALQHTIQ · pith_short_16: USFK7ALQHTIQAC3F · pith_short_8: USFK7ALQ

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/USFK7ALQHTIQAC3FYUQBPL6D7A \
  | 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: a48aaf81703cd1000b65c52017afc3f83aa8704945a66ea37d7587d2f1ff669c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f7d97c5d2324e0895da0a528f9c2c844c8c63e3d1fa2047c1b193e3d74b672b",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-05-18T07:48:07Z",
    "title_canon_sha256": "cf92abc8cd68ea0a80089df22e008dca49a12399ee3298b92fd6927e0fd65801"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2820",
    "kind": "arxiv",
    "version": 2
  }
}