Pith Number

pith:5NG4DT7W

pith:2021:5NG4DT7W6IZKMVFNW2FV4EW2G3

not attested not anchored not stored refs pending

Direct Observation and Control of Surface Termination in Perovskite Oxide Heterostructures

Austin Cunniff, Harish Kumarasubramanian, Jayakanth Ravichandran, Mythili Surendran, Rohan Mishra, Tengfei Cao, Thomas Orvis

arxiv:2102.05022 v1 · 2021-02-09 · 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{5NG4DT7W6IZKMVFNW2FV4EW2G3}

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	2026-07-05T02:47:31.480483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb4dc1cff6f232a654adb68b5e12da36e7762f0f8d7213eb9e4a03e1e08b8c6e

Aliases

arxiv: 2102.05022 · arxiv_version: 2102.05022v1 · doi: 10.48550/arxiv.2102.05022 · pith_short_12: 5NG4DT7W6IZK · pith_short_16: 5NG4DT7W6IZKMVFN · pith_short_8: 5NG4DT7W

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/5NG4DT7W6IZKMVFNW2FV4EW2G3 \
  | 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: eb4dc1cff6f232a654adb68b5e12da36e7762f0f8d7213eb9e4a03e1e08b8c6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "883ebd35ddd699ba8bfa3c7c521e8fa40ead80e0698fef6c58f661861f19b129",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2021-02-09T18:41:33Z",
    "title_canon_sha256": "ee87318998f179fdfd24b54d750a22f832c5013a103f7bab440519051dc97c3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05022",
    "kind": "arxiv",
    "version": 1
  }
}