Pith Number

pith:SPQY2BU2

pith:2019:SPQY2BU2E27Y7RZ4KRH4DTODE6

not attested not anchored not stored refs pending

Templated direct growth of ultra-thin double-walled carbon nanotubes

Jinquan Wei, Kazuhiro Yanagi, Kecheng Cao, Lei Shi, Paola Ayala, Takeshi Saito, Thomas Pichler, Ute Kaiser

arxiv:1901.08712 v1 · 2019-01-25 · 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{SPQY2BU2E27Y7RZ4KRH4DTODE6}

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	2026-05-17T23:55:33.326909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93e18d069a26bf8fc73c544fc1cdc327b4f66bca00b6a17bd0e8212f7b97c35f

Aliases

arxiv: 1901.08712 · arxiv_version: 1901.08712v1 · doi: 10.48550/arxiv.1901.08712 · pith_short_12: SPQY2BU2E27Y · pith_short_16: SPQY2BU2E27Y7RZ4 · pith_short_8: SPQY2BU2

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/SPQY2BU2E27Y7RZ4KRH4DTODE6 \
  | 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: 93e18d069a26bf8fc73c544fc1cdc327b4f66bca00b6a17bd0e8212f7b97c35f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3c14b06f40ee792ca9f86b3a739dac3541fbc0b4650a4313c690e263d910c31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-01-25T02:12:13Z",
    "title_canon_sha256": "5264829a1f04c089022de247b0acaac1a1b57b4adc6b9cb43bc5aa5df6a2e92a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08712",
    "kind": "arxiv",
    "version": 1
  }
}