Pith Number

pith:CB25L2RQ

pith:2014:CB25L2RQLFFIOBF337TY4UDZQR

not attested not anchored not stored refs pending

Granular superconductivity below 5~K in SPI-II pyrolytic graphite

Ana Ballestar, Pablo Esquinazi, Winfried B\"ohlmann

arxiv:1412.8573 v1 · 2014-12-30 · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CB25L2RQLFFIOBF337TY4UDZQR}

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	2026-05-18T01:41:15.258497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1075d5ea30594a8704bbdfe78e50798458169e69abc2fddf9318adca7f799579

Aliases

arxiv: 1412.8573 · arxiv_version: 1412.8573v1 · doi: 10.48550/arxiv.1412.8573 · pith_short_12: CB25L2RQLFFI · pith_short_16: CB25L2RQLFFIOBF3 · pith_short_8: CB25L2RQ

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/CB25L2RQLFFIOBF337TY4UDZQR \
  | 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: 1075d5ea30594a8704bbdfe78e50798458169e69abc2fddf9318adca7f799579

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "818e48d8ab341b891527ab88b1880650223ab8563a624eb63ec77cef1f421692",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2014-12-30T07:29:56Z",
    "title_canon_sha256": "3bf3795327247f51951de2dc47755e1803e29aa19348fe267beec3fc4fc326a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8573",
    "kind": "arxiv",
    "version": 1
  }
}