Pith Number

pith:UCBDYQ6S

pith:2013:UCBDYQ6S5RXJ6GEPPTNITGEVDT

not attested not anchored not stored refs pending

Spin Gap in Heavy Fermion UBe$_{13}$

Dmitry G. Eshchenko, James L. Smith, Jess H. Brewer, Oleg E. Parfenov, Patrick W. Mengyan, Pinder Dosanjh, Vyacheslav G. Storchak, Zachary Fisk

arxiv:1309.6407 v1 · 2013-09-25 · 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{UCBDYQ6S5RXJ6GEPPTNITGEVDT}

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	2026-05-18T03:12:21.244882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0823c43d2ec6e9f188f7cda8998951cf125face4c72db86e985daca252e4b4c

Aliases

arxiv: 1309.6407 · arxiv_version: 1309.6407v1 · doi: 10.48550/arxiv.1309.6407 · pith_short_12: UCBDYQ6S5RXJ · pith_short_16: UCBDYQ6S5RXJ6GEP · pith_short_8: UCBDYQ6S

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/UCBDYQ6S5RXJ6GEPPTNITGEVDT \
  | 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: a0823c43d2ec6e9f188f7cda8998951cf125face4c72db86e985daca252e4b4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fc012bde0cd7abd1320c6a684509beed0850af76f246ceaac6a4fbe31011fab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2013-09-25T06:03:11Z",
    "title_canon_sha256": "f9a30c34dd92a363b8bacd45a9362e3af2150f3387e96221924800827f8dc093"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6407",
    "kind": "arxiv",
    "version": 1
  }
}