Pith Number

pith:YTTLZSNZ

pith:2016:YTTLZSNZFAJZE43TTCHFJI3TQK

not attested not anchored not stored refs pending

Comment on two papers claiming records for the lowest carrier concentration at which superconductivity has been observed

D.M. Eagles

arxiv:1604.05660 v1 · 2016-04-13 · 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{YTTLZSNZFAJZE43TTCHFJI3TQK}

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	2026-05-18T01:16:38.047790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4e6bcc9b92813927373988e54a37382bb895c629d41862e28cc69ed4f434346

Aliases

arxiv: 1604.05660 · arxiv_version: 1604.05660v1 · doi: 10.48550/arxiv.1604.05660 · pith_short_12: YTTLZSNZFAJZ · pith_short_16: YTTLZSNZFAJZE43T · pith_short_8: YTTLZSNZ

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/YTTLZSNZFAJZE43TTCHFJI3TQK \
  | 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: c4e6bcc9b92813927373988e54a37382bb895c629d41862e28cc69ed4f434346

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c398c68c7dd16ac94111d4ab84b21e2fee4460ce2557fb6743a966ee526e3e76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2016-04-13T15:15:17Z",
    "title_canon_sha256": "4fa6d45b8a6229c5b7a8fea41e6873fc048fddd89ad4d6f10784873ce2851163"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05660",
    "kind": "arxiv",
    "version": 1
  }
}