Pith Number

pith:7HVTZJAJ

pith:2016:7HVTZJAJSIDHIDI6TXQINFKU5Y

not attested not anchored not stored refs pending

Direct evidence of superconductivity and determination of the superfluid density in buried ultrathin FeSe grown on SrTiO$_3$

D. L. Feng, E. Morenzoni, J. Zhang, L. Shu, P. K. Biswas, Q. Song, R. peng, T. Prokscha, Z. Salman

arxiv:1602.02580 v2 · 2016-02-08 · cond-mat.supr-con · 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{7HVTZJAJSIDHIDI6TXQINFKU5Y}

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	2026-05-18T00:15:59.558459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9eb3ca4099206740d1e9de0869554ee2840a3457cae4e4650fa23d80d5f0df0

Aliases

arxiv: 1602.02580 · arxiv_version: 1602.02580v2 · doi: 10.48550/arxiv.1602.02580 · pith_short_12: 7HVTZJAJSIDH · pith_short_16: 7HVTZJAJSIDHIDI6 · pith_short_8: 7HVTZJAJ

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/7HVTZJAJSIDHIDI6TXQINFKU5Y \
  | 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: f9eb3ca4099206740d1e9de0869554ee2840a3457cae4e4650fa23d80d5f0df0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0905f35907685155c34bf094eee920365a192cc289a2cbadad5e194649b8c27c",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2016-02-08T14:27:33Z",
    "title_canon_sha256": "cbc199f10896c5f282edc77318f4b4b31f5f1e98045295a5f5f91eeeaeefb805"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02580",
    "kind": "arxiv",
    "version": 2
  }
}